Republican presidential candidate, former Pennsylvania Sen. Rick Santorum speaks before the American Israel Public Affairs Committee (AIPAC), in Washington, Tuesday, March 6, 2012. (AP Photo/Charles Dharapak)

Associated Press
Republican presidential candidate, former Pennsylvania Sen. Rick Santorum speaks before the American Israel Public Affairs Committee (AIPAC), in Washington, Tuesday, March 6, 2012. (AP Photo/Charles Dharapak)
Republican presidential candidate, former Pennsylvania Sen. Rick Santorum speaks before the American Israel Public Affairs Committee (AIPAC), in Washington, Tuesday, March 6, 2012. (AP Photo/Charles Dharapak)
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