Rebel leader denies blame for South Sudan massacre
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Bodies were strewn in the streets of the city of Bentiu, South Sudan, when a U.N. convoy arrived in the aftermath of a massacre of civilians. South Sudan’s foreign minister charged that rebels of the Nuer ethnic group are behind the violence. President Obama called the killings an “abomination” and a betrayal of trust for the South Sudanese people. Judy Woodruff reports.