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An environmental researcher argues the heavy phosphorus footprint of meat is good reason to eat less meat, given that phosphorus is a finite resource and critical for food security. But not everyone thinks we should be worried.

Military leaders are among those warning Congress of the consequences of the automatic spending cuts set to kick in at the beginning of March. But many on Capitol Hill seem resigned to the cuts taking place.

Automatic budget cuts have pushed Air Force bases to slash their flying budgets even though it means grounding pilots and reducing readiness. The cancellations are boosting the arguments of those who want the military excepted from sequestration cuts.

The U.S. says it will consider arming the rebels if it can confirm Bashar Assad's regime used the nerve gas sarin in recent attacks. But there's a danger that any weapons the U.S. provides could fall into the wrong hands.

As Colorado lawmakers debate rules regulating recreational marijuana use, one big question looms: how to charge taxes that will fund oversight of retail pot businesses. The tax requires a statewide vote. If it fails, some worry that underfunded enforcement will invite the feds to shut recreational pot down entirely.

While the ATF is a fraction of the size of its sister agency, the FBI, it runs the show when it comes to tracing weapons at crime scenes and investigating bombs and arson. But the agency has been without a permanent director for almost seven years.

President Obama heads to Mexico Thursday for a three day trip south of the border that includes a stop in Costa Rica. The president says he plans to focus on trade and economic opportunities between the U.S. and Mexico during his visit. But the timing of the trip comes just as Mexico is altering cooperation agreements between the two countries in the fight against drug trafficking.

President Obama is in Costa Rica to discuss regional cooperation and security with regional leaders. This follows talks he had in Mexico with President Enrique Pena Nieto. During his two-day visit, Obama tried to steer the focus away from contentious issues like immigration and drug violence.

The Justice Department says about half of all international criminal organizations have links to extremist groups, such as Hezbollah, the Taliban and FARC rebels in Colombia. But diffuse priorities are hindering U.S. efforts to combat this growing problem of transnational, organized crime.

While its true that noroviruses are "perhaps the perfect human pathogens," as The Journal of Infectious Diseases reports, it also seems that Noma could have spared some of its diners from the pathogens if the staff had read emails from health inspectors.