Former Sen. Rick Santorum of Pennsylvania, a GOP hopeful, speaks to the Southern Republican Leadership Conference in Charleston, S.C., on Thursday. "I was the author of the only bill that actually repealed a federal entitlement - welfare reform." (Associated Press)

Former Sen. Rick Santorum of Pennsylvania, a GOP hopeful, speaks to the Southern Republican Leadership Conference in Charleston, S.C., on Thursday. "I was the author of the only bill that actually repealed a federal entitlement - welfare reform." (Associated Press)