Ben Carson finished dead last in South Carolina last night, as the polls predicted that he would. He did not finish last due to lack of effort, or because he was focusing on some other state where he had a better chance. By Carson's own admission, South Carolina was a state where he should have done well, and where the large evangelical population should have given him a decent chance to post a good showing. Instead, he finished behind John Kasich, a guy who spent significant portions of the last week campaigning in far flung places like Michigan. He finished...