The Libyan government has given armed groups until Tuesday to disarm and depart from the capital. But the deadline is unlikely to be met. It's indicative of the wider problem in Libya where anyone with a uniform and a gun can say they are in charge.
NPR's business news starts with a big investment in micro-blogging.
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MONTAGNE: The Saudi Arabian prince Alwaleed bin Talal is investing $300 million in Twitter. The man Time magazine calls the Arabian Warren Buffett says he looks to invest in, quote, "promising, high-growth businesses with a global impact," like Twitter.
New websites make it easier for people to share not just thoughts, but things like music, photos, favorite recipes and magazine clips. Linda Wertheimer talks to Sree Sreenivasan, digital media professor and dean of student affairs at Columbia Graduate School of Journalism, about notable social media tools that cropped up in 2011.
Millions of Americans, who have benefited from a holiday in paying Social Security payroll taxes, cannot count on that being extended beyond the first of the year. House Speaker John Boehner said Sunday that the bipartisan deal worked out by the Senate to keep the tax cut going for another couple of months would not pass muster with House Republicans.
The death of North Korean dictator Kim Jong Il has raised security concerns in the Korean peninsula and Asia in general. Linda Wertheimer talks to Stephen Bosworth, former U.S. special representative for North Korea and dean of The Fletcher School at Tufts University, about how dangerous the situation is on the Korean peninsula.
On March 11, 2004, al-Qaida-inspired bombers killed nearly 200 Madrid commuters on rush-hour trains. It was Europe's worst act of Islamist terrorism, and it came just three days before an election that Spain's conservatives were expected to win.
The government quickly blamed the attack on Basque separatists, but hours later, it became clear that it was Islamist militants.
"It got people mad about the government," says political scientist Jose Ignacio Wert.
The evidence of America's obesity epidemic is all around us. But the problem is particularly acute among African-American women.
About half of African-American women in the U.S. are obese, compared to 30 percent of white women. Black women not only carry more weight, but they start piling on extra pounds years before their white counterparts.
So when does it begin, this excess and unhealthful weight? Research suggests the problem starts early, and it may have a lot to do with when girls give up regular exercise.