U.S. Republican presidential candidate and Santorum walks after speaking at the AIPAC policy conference in Washington

 
U.S. Republican presidential candidate and Santorum walks after speaking at the AIPAC policy conference in Washington
U.S. Republican presidential candidate and former Pennsylvania Senator Rick Santorum walks after speaking at the American Israel Public Affairs Committee (AIPAC) policy conference in Washington, March 6, 2012. REUTERS/Joshua Roberts (UNITED STATES - Tags: POLITICS)