On super Tuesday, Bush's former brain, Karl Rove, debuted on Fox News Channel as a political analyst. Genteel, wry and armed with terabytes of political minutiae, he won critical raves. ("One of the best things in television news right now," said the New York Times, the equivalent of a Westminster Dog Show hopeful getting endorsed by Cat Fancy.) But there was something poignantly valedictory about the old warrior playing referee: the lion, if not in winter, then in a petting zoo.
You could say the same thing lately for Fox News Channel itself. Fox hasn't gone soft, but from watching its...