WASHINGTON -- I believe I made a mistake when I decided not to attend the Democratic National Convention. The consequence of that decision has been that I have had to watch its highlights on national television. There the media gaggle, with few exceptions, has plangently repeated -- tediously and cheerlessly -- many things that I know to be untrue. The preeminent untruth resounding across the airways is that the Clintons are political geniuses. They are to electioneering what Ludwig van Beethoven was to the piccolo, or Slobodan Milosevic was to ethnic cleansing, to wit, consummate artists. Since the early 1990s...