The prediction business is a tough racket. I'd love to say that I hate to say "I told you so," but, as much as I hate to say it, I love to say "I told you so." One March 23, our old friend Jamelle Bouie of Slate made what he called a "definitive prediction," that there was simply no way in Hell that Senator Ted Cruz of Texas would ever be president of these United States. It was published under the deck: "Let's not even pretend that the Texas senator has a chance of becoming president." I responded under the...