US Secretary of State Hillary Rodham Clinton, center, arrives for a meeting of the Action Group for Syria at the European headquarters of the United Nations, UN, in Geneva, Switzerland, Saturday, June 30, 2012. The United States and Russia failed on Friday to bridge differences over a plan to ease Syrian President Bashar Assad out of power, end violence and create a new government, setting the stage for the potential collapse of a key multinational conference that was to have endorsed the proposal. (AP Photo/Keystone, Laurent Gillieron)
