Former Sen. Rick Santorum of Pennsylvania works the crowd after announcing he is entering the Republican presidential race on Monday, June 6, 2011, at the Somerset County Courthouse in Somerset, Pa. (AP Photo/Gene J. Puskar)
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Former Sen. Rick Santorum of Pennsylvania works the crowd after announcing he is entering the Republican presidential race on Monday, June 6, 2011, at the Somerset County Courthouse in Somerset, Pa. (AP Photo/Gene J. Puskar)
