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Republican presidential candidate and former U.S. Senator Rick Santorum (C) receives a blessing from Pastor Dennis E. Terry, Sr. (L) after being interviewed by Family Research Council President Tony Perkins (R) at Greenwell Springs Baptist Church in Greenwell Springs, Louisiana March 18, 2012 (Credit: Reuters/Sean Gardner)

Republican presidential candidate and former U.S. Senator Rick Santorum (C) receives a blessing from Pastor Dennis E. Terry, Sr. (L) after being interviewed by Family Research Council President Tony Perkins (R) at Greenwell Springs Baptist Church in Greenwell Springs, Louisiana March 18, 2012 (Credit: Reuters/Sean Gardner)