A Muslim-led coup last year triggered the violence in the majority-Christian country. But there's a deeper reason: resentment over diamonds and gold, mined by Christians and traded by Muslims.
Without the deal, Obama told Afghan President Hamid Karzai this week that the U.S. will move ahead with plans to pull all U.S. troops out the country by the end of 2014. NATO plans to follow suit.
Doctors Without Borders says patients have been shot, medical supplies looted and a hospital destroyed. David Greene talks to Sarah Maynard, a program director for the group, about the violence.
New York Times correspondent David Kirkpatrick spent months on the ground in Benghazi, Libya, trying to get to the bottom of the deadly Sept. 11, 2012 attack on the U.S. Consulate.
A Ukrainian skier has pulled out of the Olympics to show solidarity with protesters back home. While the impact of her move is unclear, forgoing a chance at a medal is a powerful symbol.
Washington Post columnist Michael Gerson describes the response to the Syrian crisis as "strategic despair." He and Michael Abramowitz of the Holocaust museum, tell Renee Montagne about what they saw.
Afghan President Hamid Karzai has refused to sign a security agreement that would keep U.S. troops in his country. Despite the pressure, Obama is giving Afghan officials more time to finish a deal.
As Ukraine steadies itself, a first order of business is to fix its economy. Renee Montagne talks to Simon Johnson, former chief economist for the IMF, who is now a professor at MIT.
The last big games of the Olympics, including the gold medal hockey game and four-man bobsled, concluded Sunday. After the closing ceremony, thousands headed for Sochi's tiny airport. NPR's Robert Smith provides a roundup of highlights.