Photo by: Mary Altaffer
Susan Rice, U.N. ambassador to the United Nations, votes to support a Security Council resolution backing an Arab League call for Syrian President Bashar Assad to step down, at the world body's headquarters on Saturday, Feb. 4, 2012. The unusual weekend session came as Syrian forces pummeled the city of Homs with mortars and artillery in what activists are calling one of the bloodiest episodes of the uprising. (AP Photo/Mary Altaffer)
