Fighting between political factions edges South Sudan toward civil war

As Sudan's civil war rages on, the United Nations is warning that a roiling political feud in neighboring South Sudan could escalate into another fractious conflict. The World's Host Marco Werman speaks to Yashovardhan, the head of mission for the humanitarian aid group Medecins Sans Frontieres (MSF) [Doctors Without Borders]. He joined the show from the South Sudanese capital Juba.