Republican presidential candidate, former Pennsylvania Sen. Rick Santorum speaks at the Lincoln-Reagan Day Dinner at Bowling Green State University, Saturday, March 3, 2012, in Bowling Green, Ohio. (AP Photo/Eric Gay)

Photo by: Eric Gay

Republican presidential candidate, former Pennsylvania Sen. Rick Santorum speaks at the Lincoln-Reagan Day Dinner at Bowling Green State University, Saturday, March 3, 2012, in Bowling Green, Ohio. (AP Photo/Eric Gay)