Having helped broker the Great Senate Compromise last week, Sen. John McCain is back in the media limelight, winning the usual accolades for bucking his party. But the deal by 14 "moderates" doesn't just preserve the judicial filibuster and allow confirmation of a few of President Bush's "extremist" nominees. It also reveals that the myth the McCainiacs hoped would propel their man into the Oval Office in 2000 still endures, despite evidence of successive elections to the contrary. The myth is simply that the only way to win elections is to draw voters from the other party by bucking a...