His convenient and implausibly explained reversals on issues say all we need to know about his character. He will do or say anything to become president. We're all for transparency these days, and if anything is transparently clear about American politics, it is that Mitt Romney will do or say anything to become president. The best guess is that at heart he is an old-fashioned moderate, business-oriented Republican (just about the last one standing). But there's no knowing for sure. He may have no sincere beliefs at all. There was a piece about Romney on the front page of the...