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TUNE IN ALERT: Amazing Race Will Run In Its Entirety Overnight At 1:12 Saturday Morning

Arlen Specter

Republican presidential candidate, former U.S. Sen. Rick Santorum shakes hands with supporters after speaking at his primary-night event on January 21, 2012 in Mark Clark Hall at the Citadel in Charleston, South Carolina. (credit: Andrew Burton/Getty Images)

Santorum: ‘I Didn’t Understand’ Voter Frustration

Republican presidential hopeful Rick Santorum says he didn’t always understand conservatives’ frustration with Washington but says he comprehends it now.

03/24/2012