Calling her "a relentless advocate for American interests and values," President Obama nominated Samantha Power, a former special assistant to the president and senior director for multilateral ... more 
Calling her "a relentless advocate for American interests and values," President Obama nominated Samantha Power, a former special assistant to the president and senior director for multilateral affairs and human rights, to replace Susan Rice as U.S. ambassador to the United Nations. less 
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Wed, Jun 5, 2013 6:59 PM EDT