Republican Presidential candidate Senator Rick Santorum speaks during the Pennsylvania Leadership Conference in Camp Hill, Pa., Saturday March 24, 2012. There's little more than four weeks to go until... more 
Republican Presidential candidate Senator Rick Santorum speaks during the Pennsylvania Leadership Conference in Camp Hill, Pa., Saturday March 24, 2012. There's little more than four weeks to go until the Pennsylvania presidential primary on April 24. The conference is the state's largest annual gathering of conservatives. Ap photo/Jason Minick) less 
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Associated Press
Sat, Mar 24, 2012 1:24 PM EDT