British Foreign Secretary David Miliband, right, is greeted by Senate Foreign Relations Committee Chairman Sen. John Kerry, D-Mass., left, and the committee's ranking Republican Sen. Richard Lugar, R-Ind., on Capitol Hill in Washington, Thursday, Jan. 21, 2010, prior to ...

British Foreign Minister David Miliband, left, testifies on Capitol Hill in Washington, Thursday, Jan. 21, 2010, before the Senate Foreign Relations Committee hearing on Afghanistan strategy. Richard Holbrooke, Special Representative for Afghanistan and Pakistan at the State Department, listens at ...

WASHINGTON - JANUARY 21: British Secretary of State for Foreign and Commonwealth Affairs David Miliband testifies during a hearing before the Senate Foreign Relations Committee January 21, 2010 on Capitol Hill in Washington, DC. The hearing was held to examine "Civilian ...

U.S. Central Command commanding Gen. David Petraeus testifies on Capitol Hill in Washington, Wednesday, Dec. 9, 2009, before the Senate Foreign Relations Committee hearing on Afghanistan. (AP Photo/Pablo Martinez Monsivais)