UN Ambassador Power: 'Relentless' diplomacy in South Sudan

Aired: 12/24/2013 | 0:07:48 | Clip
As South Sudan battles a widespread and volatile rebellion, the U.S. has focused on securing American citizens and helping the U.N. to strengthen security forces in the region. Gwen Ifill talks to U.S. Ambassador to the U.N. Samantha Power about the outlook for diplomacy in South Sudan, as well as the Central African Republic.