WASHINGTON - SEPTEMBER 10: Christopher Hill, U.S. Ambassador to Iraq testifies during a House Foreign Affairs Committee hearing on Capitol Hill September 10, 2009 in Washington, DC. The committee is hearing testimony on U.S. policy regarding Iraq. Getty Images logo Getty Images 2 months ago

WASHINGTON - SEPTEMBER 10: Christopher Hill, U.S. Ambassador to Iraq testifies during a House Foreign Affairs Committee hearing on Capitol Hill September 10, 2009 in Washington, DC. The committee is hearing testimony on U.S. policy regarding Iraq.