South Sudan's Leaders Jostle For Power As Prospect Of Famine Looms

South Sudan is facing the worst food security situation in the world, according to the United Nations and the Obama administration, which announced it would provide another $180 million to help feed the people of South Sudan. The U.S. has been warning that the country could face famine as rival political factions fail to make peace.

Copyright 2014 NPR. To see more, visit