Senate Foreign Relations Committee member Sen. John McCain, R-Ariz., reacts after the committee voted to accept his amendment as they consider the authorization for use of military force in Syria during a business meeting, Wednesday, Sept. 4, 2013, on Capitol Hill in Washington. (AP Photo/Susan Walsh)

Senate Foreign Relations Committee member Sen. John McCain, R-Ariz., reacts after the committee voted to accept his amendment as they consider the authorization for use of military force in Syria during a business meeting, Wednesday, Sept. 4, 2013, on Capitol Hill in Washington. (AP Photo/Susan Walsh)