On the Internet as of sometime this afternoon, Fred Thompson’s closing argument to the people of Iowa. Whereas Romney is saturating the airwaves with attack ads, Thompson pays the voters the courtesy of speaking calmly, and in detail—the video runs to just over 15 minutes. Why should the good Republicans of Iowa support Thompson? Because, the candidate argues, he can win. I believe I am the only candidate in this race who can bring our party to victory in the fall. First, because of the firmness of my principles and the trust that that engenders. Secondly, because of the detailed...