One of the most devout Christians in the GOP field endorsed singling out Muslims for extra screening by the Transportation Security Administration while the only African-American candidate called for racial profiling by another name."Obviously, Muslims would be someone you look at, absolutely," said former Pennsylvania senator Rick Santorum. "The radical Muslims are the people committing these crimes, by in large, with younger males" also deserving of more scrutiny at airport checkpoints.Herman Cain said he was in favor of "targeted identification," another way of saying some people look more suspicious than others.