Those who despise George Bush see him as the Second Coming of Richard Nixon, and they wish for nothing more fervently than a Second Going: a Watergate-magnitude scandal that will drive him from office. Their last best hope is Patrick Fitzgerald. Fitzgerald, appointed two years ago to investigate the CIA's complaint that Valerie Plame's CIA employ had been leaked to columnist Robert Novak, seemed destined to disappoint them. A month ago, even a week ago, it was possible without delusion to believe that Fitzgerald's investigation would end without indictments. But no longer. Thanks to a stream of leaks that have...