Observing our contemporary culture, the distinguished critic Roger Kimball sees that the avant-garde assault on tradition has long since degenerated into a sclerotic orthodoxy. He finds that the "cutting edge," as defined by the established tastemakers, turns out time and again to be a stale remainder of past impotence. And he locates a pretense that the traditional is the enemy rather than a springboard to originality. In Art's Prospect, Mr...