U.S. Ambassador to the United Nations Susan Rice

U.S. Ambassador to the United Nations Susan Rice

Craig Ruttle/AP Photo

U.S. Ambassador to the United Nations Susan Rice addresses members of the media at U.N. headquarters on April 14, 2012 after the United Nations Security Council cast a unanimous vote authorizing the deployment of the first wave of U.N. military observers to monitor a cease-fire between the Syrian government and opposition fighters.