Keith Olbermann once put me on his nightly list of the worst people in the world. To add insult to injury, I was merely a runner-up. So I suppose I should smile now that Mr. Olbermann's career as the host of "Countdown" has at last tick-tocked to 00:00. Boom! Here was an anchor whose personality is every bit as unhinged as his politics; whose on-air epithets of choice include "prostitute," "monkey," "fascistic," "fat ass" and (about conservative pundit Michelle Malkin) "bag of meat"; who has been let go from nearly every job he ever held; and whose "childish attacks" were,...