Republican presidential candidate, former Pennsylvania Sen. Rick Santorum, greets LSU fans at 

Republican presidential candidate, former Pennsylvania Sen. Rick Santorum, greets LSU fans at the LSU vs. Mississippi State NCAA college baseball game at Alex Box Stadium in Baton Rouge, La., Sunday, March 18, 2012. (AP Photo/Gerald Herbert)
Associated Press
Republican presidential candidate, former Pennsylvania Sen. Rick Santorum, greets LSU fans at the LSU vs. Mississippi State NCAA college baseball game at Alex Box Stadium in Baton Rouge, La., Sunday, March 18, 2012. (AP Photo/Gerald Herbert)
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