Cheick Modibo Diarra, Mali’s Prime Minister, Resigns After Arrest

BAMAKO, Mali — Soldiers carried out a late-night arrest of Mali’s prime minister at his home here, forcing his resignation early Tuesday and casting new doubt on plans to chase out radical Islamists who control much of this troubled West African nation.

Hours after being taken to the main army camp outside the capital for a dressing-down by military officers, Prime Minister Cheick Modibo Diarra, a former NASA astrophysicist, appeared grim-faced on national television to announce that he was resigning, along with all of his ministers.

Mali’s interim president, Dioncounda Traoré, named Django Sissoko as prime minister. Mr. Sissoko, who had been Mali’s ombudsman, will be tasked with forming a new government, according to a presidential decree read on state television.

A spokesman for the soldiers who seized power in Mali this year — and later nominally relinquished it to Mr. Diarra — accused him of “playing a personal agenda” while the country faced a crisis in the north, which fell to the Islamists after a military coup d’état in March. “There was a paralysis in the executive,” said the spokesman, Bakary Mariko.

But diplomats, human rights activists and analysts said the military’s arrest of Mr. Diarra on Monday merely confirmed that the army junta continued to hold power, despite the window-dressing of the civilian government, whose presence it resented. That reality, they said, complicates planned military aid meant to help the army reconquer northern Mali, an area that now alarms Western governments as a large-scale stronghold for Qaeda-linked jihadists.

“You don’t need to be an Einstein to know that this will slow everything down,” a Western diplomat here said Tuesday, speaking on the condition of anonymity. The planned assistance to Mali “just has to be on ice,” he said. Power has shifted entirely to the junta, the diplomat said.

The prime minister’s forced resignation was greeted in Paris and Berlin with expressions of dismay Tuesday, and new uncertainty surrounds a planned United Nations Security Council resolution authorizing force to retake the north.

France has been pushing for early intervention there, although the United States has expressed skepticism about plans by the regional grouping of West African states to retake the region and wariness about providing aid to the shaky civilian government — reservations likely to be reinforced by the latest developments.

In Washington, the State Department sharply criticized Mr. Diarra’s forced resignation.  “We condemn this act by the military junta, and insist that it halt its continued interference in Malian political affairs and government,” Victoria Nuland, the State Department spokeswoman, told reporters on Tuesday.

With scorn for Mr. Diarra, the coup leader, Capt. Amadou Sanogo, said in an interview on state television Tuesday night, “Cheick Modibo Diarra has not given a thing, one single piece of equipment, to the Malian Army.”

Several soldiers and police officers guarded Mr. Diarra’s expansive villa at the edge of town here Tuesday. A request to see Mr. Diarra was turned down by soldiers, who said he was inside “resting.”

The prime minister’s fall from grace, via a military that had helped install him nine months ago, was as sudden as it was steep. He was appointed last spring as a caretaker prime minister until new elections, halted by the coup, could be organized.

Early Tuesday, after Mr. Diarra was hauled to the camp at Kati, outside the capital, Captain Sanogo, who led the coup in March, told him there was proof “against him that he was calling for subversion,” said Mr. Mariko, the military spokesman. “He had recorded cassettes that were going to be broadcast on ORTM,” the state broadcaster, Mr. Mariko said. “These cassettes called on the people of Mali to go into the street to oppose the army.”

But a more likely explanation was a growing and public clash about the best way of chasing the Islamists from the north.

Mr. Diarra, derided as an amateur politician by the well-entrenched political class here, has nonetheless been steadily raising his profile at the expense of Captain Sanogo. He has made the rounds of foreign capitals to push his view that reconquering the north required immediate international military assistance. Captain Sanogo has rebuffed suggestions that the Malian Army is incapable of handling the job on its own. Indeed, for weeks, the captain resisted the idea that troops from other African nations should even go near the capital.

Despite this, the Malian Army, defeated by Islamists and nomadic rebels last winter and spring, has been deemed seriously deficient by United Nations and Western military officials.

Captain Sanogo, trained in the United States, has depicted himself as a national savior, even comparing himself to Gen. Charles de Gaulle in an op-ed article in Le Monde several months ago. Meanwhile, Human Rights Watch has implicated him in serious violations involving rival soldiers who tried to roll back the coup in April.

The conflict between the two men was evident in the declarations of the military’s spokesman Tuesday. “Since he has been in power, he has been working simply to position his own family,” Mr. Mariko said.

Eric Schmitt contributed reporting from Washington.

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Well: Why Afternoon May Be the Best Time to Exercise

Phys Ed

Gretchen Reynolds on the science of fitness.

Does exercise influence the body’s internal clock? Few of us may be conscious of it, but our bodies, and in turn our health, are ruled by rhythms. “The heart, the liver, the brain — all are controlled by an endogenous circadian rhythm,” says Christopher Colwell, a professor of psychiatry at the University of California, Los Angeles’s Brain Research Institute, who led a series of new experiments on how exercise affects the body’s internal clock. The studies were conducted in mice, but the findings suggest that exercise does affect our circadian rhythms, and the effect may be most beneficial if the exercise is undertaken midday.

For the study, which appears in the December Journal of Physiology, the researchers gathered several types of mice. Most of the animals were young and healthy. But some had been bred to have a malfunctioning internal clock, or pacemaker, which involves, among other body parts, a cluster of cells inside the brain “whose job it is to tell the time of day,” Dr. Colwell says.

These pacemaker cells receive signals from light sources or darkness that set off a cascade of molecular effects. Certain genes fire, expressing proteins, which are released into the body, where they migrate to the heart, neurons, liver and elsewhere, choreographing those organs to pulse in tune with the rest of the body. We sleep, wake and function physiologically according to the dictates of our body’s internal clock.

But, Dr. Colwell says, that clock can become discombobulated. It is easily confused, for instance, by viewing artificial light in the evening, he says, when the internal clock expects darkness. Aging also worsens the clock’s functioning, he says. “By middle age, most of us start to have trouble falling asleep and staying asleep,” he says. “Then we have trouble staying awake the next day.”

The consequences of clock disruptions extend beyond sleepiness. Recent research has linked out-of-sync circadian rhythm in people to an increased risk for diabetes, obesity, certain types of cancer, memory loss and mood disorders, including depression.

“We believe there are serious potential health consequences” to problems with circadian rhythm, Dr. Colwell says. Which is why he and his colleagues set out to determine whether exercise, which is so potent physiologically, might “fix” a broken clock, and if so, whether exercising in the morning or later in the day is more effective in terms of regulating circadian rhythm.

They began by letting healthy mice run, an activity the animals enjoy. Some of the mice ran whenever they wanted. Others were given access to running wheels only in the early portion of their waking time (mice are active at night) or in the later stages, the equivalent of the afternoon for us.

After several weeks of running, the exercising mice, no matter when they ran, were found to be producing more proteins in their internal-clock cells than the sedentary animals. But the difference was slight in these healthy animals, which all had normal circadian rhythms to start with.

So the scientists turned to mice unable to produce a critical internal clock protein. Signals from these animals’ internal clocks rarely reach the rest of the body.

But after several weeks of running, the animals’ internal clocks were sturdier. Messages now traveled to these animals’ hearts and livers far more frequently than in their sedentary counterparts.

The beneficial effect was especially pronounced in those animals that exercised in the afternoon (or mouse equivalent).

That finding, Dr. Colwell says, “was a pretty big surprise.” He and his colleagues had expected to see the greatest effects from morning exercise, a popular workout time for many athletes.

But the animals that ran later produced more clock proteins and pumped the protein more efficiently to the rest of the body than animals that ran early in their day.

What all of this means for people isn’t clear, Dr. Colwell says. “It is evident that exercise will help to regulate” our bodily clocks and circadian rhythms, he says, especially as we enter middle age.

But whether we should opt for an afternoon jog over one in the morning “is impossible to say yet,” he says.

Late-night exercise, meanwhile, is probably inadvisable, he continues. Unpublished results from his lab show that healthy mice running at the animal equivalent of 11 p.m. or so developed significant disruptions in their circadian rhythm. Among other effects, they slept poorly.

“What we know, right now,” he says, “is that exercise is a good idea” if you wish to sleep well and avoid the physical ailments associated with an aging or clumsy circadian rhythm. And it is possible, although not yet proven, that afternoon sessions may produce more robust results.

“But any exercise is likely to be better than none,” he concludes. “And if you like morning exercise, which I do, great. Keep it up.”

Read More..

Well: Why Afternoon May Be the Best Time to Exercise

Phys Ed

Gretchen Reynolds on the science of fitness.

Does exercise influence the body’s internal clock? Few of us may be conscious of it, but our bodies, and in turn our health, are ruled by rhythms. “The heart, the liver, the brain — all are controlled by an endogenous circadian rhythm,” says Christopher Colwell, a professor of psychiatry at the University of California, Los Angeles’s Brain Research Institute, who led a series of new experiments on how exercise affects the body’s internal clock. The studies were conducted in mice, but the findings suggest that exercise does affect our circadian rhythms, and the effect may be most beneficial if the exercise is undertaken midday.

For the study, which appears in the December Journal of Physiology, the researchers gathered several types of mice. Most of the animals were young and healthy. But some had been bred to have a malfunctioning internal clock, or pacemaker, which involves, among other body parts, a cluster of cells inside the brain “whose job it is to tell the time of day,” Dr. Colwell says.

These pacemaker cells receive signals from light sources or darkness that set off a cascade of molecular effects. Certain genes fire, expressing proteins, which are released into the body, where they migrate to the heart, neurons, liver and elsewhere, choreographing those organs to pulse in tune with the rest of the body. We sleep, wake and function physiologically according to the dictates of our body’s internal clock.

But, Dr. Colwell says, that clock can become discombobulated. It is easily confused, for instance, by viewing artificial light in the evening, he says, when the internal clock expects darkness. Aging also worsens the clock’s functioning, he says. “By middle age, most of us start to have trouble falling asleep and staying asleep,” he says. “Then we have trouble staying awake the next day.”

The consequences of clock disruptions extend beyond sleepiness. Recent research has linked out-of-sync circadian rhythm in people to an increased risk for diabetes, obesity, certain types of cancer, memory loss and mood disorders, including depression.

“We believe there are serious potential health consequences” to problems with circadian rhythm, Dr. Colwell says. Which is why he and his colleagues set out to determine whether exercise, which is so potent physiologically, might “fix” a broken clock, and if so, whether exercising in the morning or later in the day is more effective in terms of regulating circadian rhythm.

They began by letting healthy mice run, an activity the animals enjoy. Some of the mice ran whenever they wanted. Others were given access to running wheels only in the early portion of their waking time (mice are active at night) or in the later stages, the equivalent of the afternoon for us.

After several weeks of running, the exercising mice, no matter when they ran, were found to be producing more proteins in their internal-clock cells than the sedentary animals. But the difference was slight in these healthy animals, which all had normal circadian rhythms to start with.

So the scientists turned to mice unable to produce a critical internal clock protein. Signals from these animals’ internal clocks rarely reach the rest of the body.

But after several weeks of running, the animals’ internal clocks were sturdier. Messages now traveled to these animals’ hearts and livers far more frequently than in their sedentary counterparts.

The beneficial effect was especially pronounced in those animals that exercised in the afternoon (or mouse equivalent).

That finding, Dr. Colwell says, “was a pretty big surprise.” He and his colleagues had expected to see the greatest effects from morning exercise, a popular workout time for many athletes.

But the animals that ran later produced more clock proteins and pumped the protein more efficiently to the rest of the body than animals that ran early in their day.

What all of this means for people isn’t clear, Dr. Colwell says. “It is evident that exercise will help to regulate” our bodily clocks and circadian rhythms, he says, especially as we enter middle age.

But whether we should opt for an afternoon jog over one in the morning “is impossible to say yet,” he says.

Late-night exercise, meanwhile, is probably inadvisable, he continues. Unpublished results from his lab show that healthy mice running at the animal equivalent of 11 p.m. or so developed significant disruptions in their circadian rhythm. Among other effects, they slept poorly.

“What we know, right now,” he says, “is that exercise is a good idea” if you wish to sleep well and avoid the physical ailments associated with an aging or clumsy circadian rhythm. And it is possible, although not yet proven, that afternoon sessions may produce more robust results.

“But any exercise is likely to be better than none,” he concludes. “And if you like morning exercise, which I do, great. Keep it up.”

Read More..

Euro Watch: Bonds in Spain and Italy Shaken by Italian Politics

ROME — Italian stock and bond prices fell on Monday after a weekend of political turmoil in Italy gave rise to fears that the country was headed for renewed instability.

Shares of Italian banks, which are big holders of the government’s bonds, were among the hardest hit.

The action occurred in the first day of trading after Prime Minister Mario Monti said over the weekend that he would soon step down after his predecessor, Silvio Berlusconi, withdrew his party’s support from Mr. Monti and said he would again seek election as prime minister.

Mr. Berlusconi, who was elected prime minister three times, left office a year ago as markets pushed Italy to the brink of financial collapse. Mr. Monti, an economist who was appointed as his temporary successor, has restored Italy’s credibility with investors, who have given the country a break on its borrowing costs. But those gains have come at the cost of painful austerity measures that have worsened the country’s economic situation and given Mr. Berlusconi an opening to attack.

The Milan benchmark index, MIB, fell more than 2 percent on Monday. Italian banks, which remain sensitive to declines in the country’s bond prices, were among the big losers. Intesa Sanpaolo, the most active stock, fell 5.2 percent, as did UniCredit.

Mr. Monti, who joined other leaders in Oslo on Monday to receive the Nobel Peace Prize awarded to the European Union, said at a news conference that the market reactions “need not be dramatized.”

“I am confident,” he said, that the Italian elections would result in a government “that will be responsible and oriented toward the E.U. and this will be in line with efforts the Italian government has made so far.”

The decline in bond prices sent their yields, or interest rates, higher — an indicator of the Italian government’s borrowing costs. The spread between interest rates on Italian 10-year sovereign bonds and equivalent German securities, the European benchmark for safety, grew to 3.5 percentage points on Monday. That was up from 3.25 percentage points late Friday, suggesting that investors were growing more wary of holding Italian debt.

The yield on Italian 10-year bonds, which breached 7 percent this year, ended trading on Monday at 4.8 percent, up 29 basis points. A basis point is one-hundredth of a percent.

Bonds of Spain, which is the other big economy of concern in the euro zone, also came under renewed pressure on Monday after Mr. Monti’s announcement.

The spread between Spanish 10-year bonds and equivalent German bonds widened to 4.27 percentage points from 4.16 points on Friday. The yield on the benchmark Spanish 10-year rose 10 basis points, to 5.5 percent; it reached 7.1 percent in July amid concerns that Spain would be forced into a full bailout after having to negotiate a 100 billion euro, or $129 billion, rescue package for its banks in June.

Luis de Guindos, the Spanish economy minister, warned that Italy’s political turmoil would affect his country.

“When doubts emerge over the stability of a neighboring country like Italy, which is also seen as vulnerable, there’s an immediate contagion for us,” he said Monday morning on Spanish national radio.

Asked whether Spain would itself seek further European rescue funding, he instead said, “The help that Spain needs is that the doubts over the future of the euro be removed.”

Speaking before the Nobel ceremony on Monday, the European Commission president, José Manuel Barroso, said Italy must “continue on the road of structural reforms.” The elections, Mr. Barroso said on Sky News, “must not be used to postpone reforms.”

A dismal economic report on Monday served as a reminder that despite Mr. Monti’s success with investors, the real economy continues to suffer. Italian industrial production fell a seasonally adjusted 1.1 percent in October from September, and by 6.2 percent from a year earlier, Istat, the national statistics agency, said.

Some analysts said they thought that Mr. Berlusconi’s re-emergence as a political leader was as responsible for unnerving investors as Mr. Monti’s unexpected decision to resign. Nicholas Spiro, managing director of Spiro Sovereign Strategy, a research firm, wrote on Monday in a note that Mr. Berlusconi remained “the boogeyman of investors,” who “epitomizes the dysfunctional nature of Italian politics.”

Angela Merkel, the German chancellor, was to meet on Monday with Mr. Monti on the sidelines of the Nobel ceremony, said Georg Streiter, a spokesman for the chancellor.

Ms. Merkel pushed to have Mr. Monti succeed Mr. Berlusconi. But she ended up facing Mr. Monti’s own ideas for economic change, which focused more on growth and job creation than on the austere fiscal discipline championed by Ms. Merkel.

As a rule, the German government does not comment on its partners’ domestic politics, but Foreign Minister Guido Westerwelle warned that an attempt to scale back Italy’s reform push could result in further destabilization in the euro zone.

“Italy cannot remain stagnant on two-thirds of its reform process,” Mr. Westerwelle said through a spokesman. “This would throw not only Italy but the rest of Europe into turbulence.”

Elisabetta Povoledo reported from Rome and David Jolly from Paris. Raphael Minder contributed reporting from Madrid and Melissa Eddy from Berlin.

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European Union Officials Accept Nobel Peace Prize

OSLO — Besieged by economic woes and insistent questions about its future, the European Union accepted the Nobel Peace Prize on Monday with calls for further integration and a plea to remember the words of Abraham Lincoln as he addressed a divided nation at Gettysburg.

Suzanne Plunkett/Reuters

Leaders of the European Union member countries attended the Nobel Peace Prize ceremony at City Hall in Oslo on Monday.

The prize ceremony, held in Oslo’s City Hall and attended by 20 European leaders as well as Norway’s royal family, brought a rare respite from the gloom that has settled on the European Union since the Greek debt crisis exploded three years ago, unleashing doubt about the long-term viability of the euro and about an edifice of European institutions built up over more than half a century to promote an ever closer union.

Unemployment — now at over 25 percent in Greece and Spain — and sputtering economic growth across the 27-nation bloc are “putting the political bonds of our union to the test,” Herman Van Rompuy, president of the European Council, said in his acceptance speech. “If I can borrow the words of Abraham Lincoln at the time of another continental test, what is being assessed today is whether that union, or any union so conceived and so dedicated, can long endure.”

The European Union, said Mr. Van Rompuy, will “answer with our deeds, confident we will succeed.”

“We are working very hard to overcome the difficulties, to restore growth and jobs,” he continued.

Aside from economic misery, the most serious threat to the bloc so far is growing pressure in Britain for a referendum on whether to pull out of the union. The British prime minister, David Cameron, did not attend the ceremony, but most other European leaders showed up, including Chancellor Angela Merkel of Germany and the French president, François Hollande, who sat next to each other and whose countries, once bitter enemies, have been the main motors driving European integration.

Mr. Van Rompuy’s comparison of the European Union to the United States is likely to irritate critics of the European Union, who reject efforts to push European nations to surrender more sovereignty in pursuit of what champions of a federal European state hope will one day be a United States of Europe.

Just how far Europe is from such a goal, however, was made clear by the presence of three Union presidents in Oslo. In addition to Mr. Van Rompuy, whose European Council represents the leaders of the union’s member states, there was José Manuel Barroso, president of the European Commission, the bloc’s main administrative and policy-making arm, and Martin Schulz, president of the European Parliament.

Instead of the customary Nobel lecture delivered by the winner, Mr. Van Rompuy and Mr. Barroso each read parts of what Thorbjorn Jagland, chairman of the Norwegian Nobel Committee, described as “one speech but two chapters.”

Hailing the European Union for helping bring peace to Europe after repeated wars, Mr. Jagland said, “What this continent has achieved is truly fantastic, from being a continent of war to becoming a continent of peace.”

Mr. Barroso spoke of the horrors of past wars and tyranny and Europe’s efforts to overcome them through the building of supranational institutions, which began in 1951 with the establishment of the European Coal and Steel Community by France, Germany and four other countries. But he also cited the current conflict in Syria, describing it as a “stain on the world’s conscience” that other nations have “a moral duty” to address. The European Union’s member states are themselves divided about how far to go in supporting opponents of Bashar al-Assad, the Syrian president.

The decision to honor the European Union with the Nobel Peace Prize stirred widespread criticism in Norway, whose citizens have twice voted not to join the union. On the eve of Monday’s award ceremony, peace activists and supporters of left-wing political groups paraded through the streets of Oslo, carrying flaming torches and chanting, “The E.U. is not a worthy winner.”

Many peace activists say they have no problem with European integration but question whether the union has lived up to conditions laid down by Alfred Nobel, the 19th-century Swedish industrialist who bequeathed the peace prize and four other Nobel Prizes.

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BUSINESS: Concern Over Apps for Kids

December 10, 2012By Fritzie Andrade, Emily B. Hager, David Gillen and Pedro Rafael Rosado

TimesCast Media+Tech: An update in the battle over children’s privacy online. | Deb Perelman of Smitten Kitchen. | Bloomberg weighs bidding on Financial Times.

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Rate of Childhood Obesity Falls in Several Cities

PHILADELPHIA — After decades of rising childhood obesity rates, several American cities are reporting their first declines.

The trend has emerged in big cities like New York and Los Angeles, as well as smaller places like Anchorage, Alaska, and Kearney, Neb. The state of Mississippi has also registered a drop, but only among white students.

“It’s been nothing but bad news for 30 years, so the fact that we have any good news is a big story,” said Dr. Thomas Farley, the health commissioner in New York City, which reported a 5.5 percent decline in the number of obese schoolchildren from 2007 to 2011.

The drops are small, just 5 percent here in Philadelphia and 3 percent in Los Angeles. But experts say they are significant because they offer the first indication that the obesity epidemic, one of the nation’s most intractable health problems, may actually be reversing course.

The first dips — noted in a September report by the Robert Wood Johnson Foundation — were so surprising that some researchers did not believe them.

Deanna M. Hoelscher, a researcher at the University of Texas, who in 2010 recorded one of the earliest declines — among mostly poor Hispanic fourth graders in the El Paso area — did a double-take. “We reran the numbers a couple of times,” she said. “I kept saying, ‘Will you please check that again for me?’ ”

Researchers say they are not sure what is behind the declines. They may be an early sign of a national shift that is visible only in cities that routinely measure the height and weight of schoolchildren. The decline in Los Angeles, for instance, was for fifth, seventh and ninth graders — the grades that are measured each year — between 2005 and 2010. Nor is it clear whether the drops have more to do with fewer obese children entering school or currently enrolled children losing weight. But researchers note that declines occurred in cities that have had obesity reduction policies in place for a number of years.

Though obesity is now part of the national conversation, with aggressive advertising campaigns in major cities and a push by Michelle Obama, many scientists doubt that anti-obesity programs actually work. Individual efforts like one-time exercise programs have rarely produced results. Researchers say that it will take a broad set of policies applied systematically to effectively reverse the trend, a conclusion underscored by an Institute of Medicine report released in May.

Philadelphia has undertaken a broad assault on childhood obesity for years. Sugary drinks like sweetened iced tea, fruit punch and sports drinks started to disappear from school vending machines in 2004. A year later, new snack guidelines set calorie and fat limits, which reduced the size of snack foods like potato chips to single servings. By 2009, deep fryers were gone from cafeterias and whole milk had been replaced by one percent and skim.

Change has been slow. Schools made money on sugary drinks, and some set up rogue drink machines that had to be hunted down. Deep fat fryers, favored by school administrators who did not want to lose popular items like French fries, were unplugged only after Wayne T. Grasela, the head of food services for the school district, stopped buying oil to fill them.

But the message seems to be getting through, even if acting on it is daunting. Josh Monserrat, an eighth grader at John Welsh Elementary, uses words like “carbs,” and “portion size.” He is part of a student group that promotes healthy eating. He has even dressed as an orange to try to get other children to eat better. Still, he struggles with his own weight. He is 5-foot-3 but weighed nearly 200 pounds at his last doctor’s visit.

“I was thinking, ‘Wow, I’m obese for my age,’ ” said Josh, who is 13. “I set a goal for myself to lose 50 pounds.”

Nationally, about 17 percent of children under 20 are obese, or about 12.5 million people, according to the Centers for Disease Control and Prevention, which defines childhood obesity as a body mass index at or above the 95th percentile for children of the same age and sex. That rate, which has tripled since 1980, has leveled off in recent years but has remained at historical highs, and public health experts warn that it could bring long-term health risks.

Obese children are more likely to be obese as adults, creating a higher risk of heart disease and stroke. The American Cancer Society says that being overweight or obese is the culprit in one of seven cancer deaths. Diabetes in children is up by a fifth since 2000, according to federal data.

“I’m deeply worried about it,” said Francis S. Collins, the director of the National Institutes of Health, who added that obesity is “almost certain to result in a serious downturn in longevity based on the risks people are taking on.”

Read More..

Rate of Childhood Obesity Falls in Several Cities

PHILADELPHIA — After decades of rising childhood obesity rates, several American cities are reporting their first declines.

The trend has emerged in big cities like New York and Los Angeles, as well as smaller places like Anchorage, Alaska, and Kearney, Neb. The state of Mississippi has also registered a drop, but only among white students.

“It’s been nothing but bad news for 30 years, so the fact that we have any good news is a big story,” said Dr. Thomas Farley, the health commissioner in New York City, which reported a 5.5 percent decline in the number of obese schoolchildren from 2007 to 2011.

The drops are small, just 5 percent here in Philadelphia and 3 percent in Los Angeles. But experts say they are significant because they offer the first indication that the obesity epidemic, one of the nation’s most intractable health problems, may actually be reversing course.

The first dips — noted in a September report by the Robert Wood Johnson Foundation — were so surprising that some researchers did not believe them.

Deanna M. Hoelscher, a researcher at the University of Texas, who in 2010 recorded one of the earliest declines — among mostly poor Hispanic fourth graders in the El Paso area — did a double-take. “We reran the numbers a couple of times,” she said. “I kept saying, ‘Will you please check that again for me?’ ”

Researchers say they are not sure what is behind the declines. They may be an early sign of a national shift that is visible only in cities that routinely measure the height and weight of schoolchildren. The decline in Los Angeles, for instance, was for fifth, seventh and ninth graders — the grades that are measured each year — between 2005 and 2010. Nor is it clear whether the drops have more to do with fewer obese children entering school or currently enrolled children losing weight. But researchers note that declines occurred in cities that have had obesity reduction policies in place for a number of years.

Though obesity is now part of the national conversation, with aggressive advertising campaigns in major cities and a push by Michelle Obama, many scientists doubt that anti-obesity programs actually work. Individual efforts like one-time exercise programs have rarely produced results. Researchers say that it will take a broad set of policies applied systematically to effectively reverse the trend, a conclusion underscored by an Institute of Medicine report released in May.

Philadelphia has undertaken a broad assault on childhood obesity for years. Sugary drinks like sweetened iced tea, fruit punch and sports drinks started to disappear from school vending machines in 2004. A year later, new snack guidelines set calorie and fat limits, which reduced the size of snack foods like potato chips to single servings. By 2009, deep fryers were gone from cafeterias and whole milk had been replaced by one percent and skim.

Change has been slow. Schools made money on sugary drinks, and some set up rogue drink machines that had to be hunted down. Deep fat fryers, favored by school administrators who did not want to lose popular items like French fries, were unplugged only after Wayne T. Grasela, the head of food services for the school district, stopped buying oil to fill them.

But the message seems to be getting through, even if acting on it is daunting. Josh Monserrat, an eighth grader at John Welsh Elementary, uses words like “carbs,” and “portion size.” He is part of a student group that promotes healthy eating. He has even dressed as an orange to try to get other children to eat better. Still, he struggles with his own weight. He is 5-foot-3 but weighed nearly 200 pounds at his last doctor’s visit.

“I was thinking, ‘Wow, I’m obese for my age,’ ” said Josh, who is 13. “I set a goal for myself to lose 50 pounds.”

Nationally, about 17 percent of children under 20 are obese, or about 12.5 million people, according to the Centers for Disease Control and Prevention, which defines childhood obesity as a body mass index at or above the 95th percentile for children of the same age and sex. That rate, which has tripled since 1980, has leveled off in recent years but has remained at historical highs, and public health experts warn that it could bring long-term health risks.

Obese children are more likely to be obese as adults, creating a higher risk of heart disease and stroke. The American Cancer Society says that being overweight or obese is the culprit in one of seven cancer deaths. Diabetes in children is up by a fifth since 2000, according to federal data.

“I’m deeply worried about it,” said Francis S. Collins, the director of the National Institutes of Health, who added that obesity is “almost certain to result in a serious downturn in longevity based on the risks people are taking on.”

Read More..

In Pursuit of John McAfee, Media Are Part of Story

Late last month, the editor in chief of Vice magazine, Rocco Castoro, joined by a photographer, Robert King, managed to secure a plum exclusive: an invitation to travel along with the fugitive tech millionaire John McAfee.

Years earlier, Mr. McAfee had relocated to a Colonel Kurtz-like compound in the jungles of Belize, surrounding himself with armed guards and multiple young lovers. Then, with reports that he was a “person of interest” in the death of a neighbor, Mr. McAfee had gone on the lam. Last Monday, after several days of surreptitious travel, Mr. Castoro and Mr. King posted their first dispatch. It bore the smirking headline, “We Are With John McAfee Right Now, Suckers.”

The gloating was short-lived, however. Within minutes, a reader noticed that the photograph posted with the story still contained GPS location data embedded by the iPhone 4S that took it, and sent out a message via Twitter: “Check the metadata in the photo. Oooops ...” Vice quickly replaced the image, but it was too late. “Oops! Did Vice Just Give Away John McAfee’s Location With Photo Metadata?” a Wired.com headline asked. The article included a Google Earth view of the exact spot the picture had been taken — poolside at the Hotel & Marina Nana Juana in Izabal, Guatemala.

Soon, the Guatemalan police were with John McAfee. This weekend, he is in their custody and is expected to be extradited to Belize, where he faces questioning in connection with the murder of Gregory Faull, a 52-year-old American who was his neighbor. Mr. McAfee’s lawyers are appealing his extradition.

The Vice debacle was just one colorful twist in the relationship between the press, which is always willing to indulge a colorful subject, and Mr. McAfee, who was always eager to bend news coverage to his often inscrutable ends. I first wrote about Mr. McAfee five years before, when he was merely a colorful software pioneer — an apparently clean-living citizen who courted the press mainly to promote his favorite pastime, flying ultralight aircraft. Since then, his life had taken several darker turns. I had only just published a long piece about his purported connections with Belizean drug gangs on the Web site Gizmodo when I received a curt e-mail from a police official in Belize on Nov. 11, “It may interest you to know that there was a murder yesterday in San Pedro Town, Ambergris Caye and McAfee is the prime suspect.”

I passed the information along on Twitter and on Gizmodo and the news took on a life of its own. “It was on all kinds of Tumblr sites, people were talking about it on Twitter, and that fueled a lot of the professional media to say, ‘O.K., everyone’s talking about this, we should have a story on it, too,’ ” said Mat Honan, a senior writer at Wired who has written about the case.

Mr. McAfee went into hiding with a 20-year-old girlfriend, but it was hiding of a uniquely visible kind. Within 36 hours, he began an aggressive campaign to court and spin coverage of his story. He started by calling Joshua Davis, a Wired writer who had spent the summer reporting on a profile for the magazine’s January issue, and fed him fresh details of life on the run every few hours. Mr. Davis passed along his minute-by-minute updates via Twitter and daily blog posts.

News media around the world were rapt: it wasn’t just that Mr. McAfee’s name was stubbornly familiar, a relic of the early days when computer users installed his software to keep viruses away. “A tech millionaire, an exotic Central American locale, murder, the possibility of drugs — the story just has everything,” says Nathalie Malinarich, world editor of the BBC News Web site.

Wired had a problem, though. The murder and Mr. McAfee’s flight had made Mr. Davis’s print article obsolete before it could even hit newsstands. Wired and Mr. Davis updated the material and repackaged it into an e-book that has sold more than 22,000 copies, at one point reaching No. 1 on the Nonfiction Kindle Singles list.

Mr. Davis’s exclusives did not last long. As the week went on, Mr. McAfee granted phone interviews to more reporters (though none to me, with whom he’s declined to communicate since my first Gizmodo piece). Then he set out to spread his message across new electronic platforms. He started a Twitter account and, with the help of a cartoonist he had befriended in Seattle, a blog. To keep the story fresh, Mr. McAfee kept upping his media exposure and the outrageousness of the tales he told. He arranged face-to-face interviews— a Financial Times journalist first, followed by CNN’s Martin Savidge. (Both were told to wait in public places and then were driven to meet Mr. McAfee in locations unknown to them.) Then, in the ultimate act of bravado, he invited Vice’s journalists to tag along.

For reporters, a McAfee exclusive guaranteed a rich share of readers and viewers and social-networking interest. But many found the favor an ambiguous blessing. Mr. McAfee seemed to understand the dynamics of journalism well enough to know which assertions reporters would pass along without double-checking or qualifying — like his claim that he had eluded the police by burying himself in sand and positioning a box over his head — even as his self-created narrative veered ever further into the surreal.

“As soon as reporters start to think, ‘Wait a minute, we’re sort of jeopardizing our objectivity and reputation for this guy,’ he’ll just burn them, and go to the next one,” says the Gizmodo writer Joel Johnson, who found himself cut off after publishing an article Mr. McAfee did not like. “That’s what he did to me, that’s what he’s done to a lot of journalists, and he’s going to do it to the Vice guys, if he hasn’t done it already.”

Vice seemed to remain in Mr. McAfee’s good graces even after the freedom-endangering gaffe. After the secret of his location spread across the Internet, Mr. McAfee quickly went online to claim that the data leak was in fact an intentional piece of misdirection. Mr. King, the Vice photographer, supported the claim on social media. This amounted to following up an “egregiously stupid action with a far worse one,” Mr. Honan wrote in a Wired post later last week, “King apparently lied on his Facebook page and Twitter in order to protect McAfee.”

In a statement, Vice said it would not comment about its reporting in the McAfee case.

“The flight we chronicled was from the start filled with misinformation, rumors, social-media-fed myths, outright lies and overall total weirdness,” the magazine said. “Despite many media outlets’ obvious glee in damning us immediately, Vice has decided to wait and talk to the people on our team who were actually on the ground and who could therefore tell us what actually went down and not just buy into the same rumors, myths and madness that this story has consisted of from the start.”

Indeed, while Mr. McAfee seems determined to drag out his drama as long as he can, some of the journalists who have covered him say they have had enough. “People try to behave ethically,” said Mr. Johnson, who wrote his final post on Mr. McAfee three weeks ago. “And he milks that out of them until they get to the point where they’re like, ‘You know what, you’re just nuts.’ ” He adds, “I know as a journalist I can’t say that, so I’ve got to get out of this story.”

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Changing of the Guard: Signals in China of a More Open Economy

Carlos Barria/Reuters

In November, Xi Jinping made his official debut as party chief at the 18th party congress, which military officers attended.

BEIJING — In a strong signal of support for greater market-oriented economic policies, Xi Jinping, the new head of the Communist Party, made a visit over the weekend to the special economic zone of Shenzhen in south China, which has stood as a symbol of the nation’s embrace of a state-led form of capitalism since its growth over the last three decades from a fishing enclave to an industrial metropolis.

The trip was Mr. Xi’s first outside Beijing since becoming party chief on Nov. 15. Mr. Xi visited a private Internet company on Friday and went to Lotus Hill Park on Saturday to lay a wreath at a bronze statue of Deng Xiaoping, the leader who opened the era of economic reforms in 1979, when Shenzhen was designated a special economic zone. Mr. Deng famously later visited the city in 1992 to encourage reviving those economic policies after they had stalled following the violent crackdown on pro-democracy protests in 1989.

“Reform and opening up is a guiding policy that the Communist Party must stick to,” Mr. Xi said, according to Phoenix Television, one of several Hong Kong news organizations that covered the trip. “We must keep to this correct path. We must stay unwavering on the road to a prosperous country and people, and there must be new pioneering.”

In the months before the transition, there were widespread calls, including from people close to Mr. Xi, to adopt more liberal economic policies and even to experiment with greater political openness as a way for the party to maintain its rule. Without much success so far, reformers have long been encouraging the leadership to move toward a more sustainable growth model for China, one that relies more on domestic consumption rather than infrastructure investment and exports, and where state enterprises play less of a role.

Mr. Xi, known as a skillful consensus builder, has kept his ideas carefully veiled throughout his career, but his trip to Shenzhen is the strongest sign yet that he may favor more open policies. In a speech in Beijing on Nov. 29, Mr. Xi spoke of the “Chinese dream” of realizing the nation’s “revival,” which, besides being a call for renewal, also signaled strong nationalist leanings.

Mr. Xi’s father, Xi Zhongxun, was a revered senior official handpicked by Mr. Deng to help shape the new economic policies and oversee the creation of the Shenzhen zone. Mr. Xi’s mother lives in Shenzhen, and he visited her on his trip, according to Hong Kong news reports.

“If he indeed went to Shenzhen, that means he intends to make reform a subject of priority,” said Li Weidong, a liberal political analyst. “That would really be a phenomenon.”

Mr. Li cautioned, though, that the so-called reform policies that followed Mr. Deng’s 1992 southern tour, in his view, “ended up being fake” because China’s boom resulted in widespread corruption and the expansion of state enterprises at the expense of private entrepreneurship.

When Mr. Xi’s predecessor, Hu Jintao, became party chief in 2002, he was seen by many as a potential reformer, but his tenure was marked by conservative policies. For his first trip outside Beijing as party chief, Mr. Hu went in December 2002 to Xibaipo, a hallowed site for the revolution, where he reiterated a speech given by Mao Zedong.

Over the weekend, video footage from Phoenix Television showed a line of minibuses and police cars winding its way through Shenzhen. Mr. Xi and other officials walked outdoors in dark suits. The party’s official news organizations did not immediately report on the trip, but some prominent mainland Chinese news Web sites cited the Hong Kong reports.

Mr. Xi’s early moves as party leader seem aimed at emphasizing national “revival,” a theme he highlighted when he appeared on Nov. 29 with the party’s new seven-man Politburo Standing Committee in a history museum at Tiananmen Square. According to People’s Daily, the party mouthpiece, Mr. Xi stood in front of an exhibition called “The Road to Rejuvenation” and said, “After the 170 or more years of constant struggle since the Opium Wars, the great revival of the Chinese nation enjoys glorious prospects.”

He added: “Now everyone is discussing the Chinese dream, and I believe that realizing the great revival of the Chinese nation is the greatest dream of the Chinese nation in modern times.”

The emphasis on a “Chinese dream” is particular to Mr. Xi, and could prove to be a recurring motif throughout his tenure. The notion of a grand revival — “fu xing” in Mandarin — has been popular with Chinese leaders for at least a century, but Mr. Xi appears to be tapping more deeply into that nationalist vein than his recent predecessors, perhaps recognizing that traditional Communist ideology no longer has popular appeal.

Patrick Zuo contributed research.

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