...Which brings us back to our question: Why would so smart a candidate play political Russian roulette with virtually all the bullet chambers loaded? Sometimes only a shrink can decipher why some politicians persist in flagrantly taking giant risks, all but daring others to catch them in the act (see: Spitzer, Eliot). Carl Bernstein, a sometimes admiring Hillary Clinton biographer, has called the Bosnia debacle “a watershed event” for her campaign because it revives her long history of balancing good works with “ ‘misstatements’ and elisions,” from the health-care task force fiasco onward. But this event may be a watershed...