Democratic strategists must be having night sweats. Coming out of the primaries they figured they'd picked a sure winner in Massachusetts Senator John Kerry. In a time of war, who better than a decorated war hero to unseat President George W. Bush? And so began one of the more bizarre chapters in modern U.S. political history, whereby a liberal, patrician, pacifist multimillionaire cast himself as the next best thing to screen hero John Rambo. Following his return from Vietnam, Mr. Kerry was a forceful and at times strident critic of the war. The new John Kerry made scant reference to...