WASHINGTON - NOVEMBER 19:  U.S. Sen. John McCain (R-AZ) arrives for a briefing on Capitol Hill November 19, 2008 in Washington, DC. Secretary of State Condoleezza Rice and Defense Secretary Robert Gates briefed senators on  a security agreement between the U.S. and Iraq that lays out a timeline for U.S. troop withdrawal and gives Iraq limited jurisidiction over U.S. soldiers and contractors who commit crimes. Getty Images logo Getty Images 7 months ago

WASHINGTON - NOVEMBER 19: U.S. Sen. John McCain (R-AZ) arrives for a briefing on Capitol Hill November 19, 2008 in Washington, DC. Secretary of State Condoleezza Rice and Defense Secretary Robert Gates briefed senators on a security agreement between the U.S. and Iraq that lays out a timeline for U.S. troop withdrawal and gives Iraq limited jurisidiction over U.S. soldiers and contractors who commit crimes.