“With the benefit of minute hindsight, Saddam Hussein wasn’t the kind of extra-territorial menace that was assumed by the administration one year ago. If I knew then what I know now about what kind of situation we would be in, I would have opposed the war.” Those words are William F. Buckley’s, from an article in yesterday’s New York Times marking Buckley’s decision to relinquish control of the National Review, the flagship journal of the conservative movement he founded 50 years ago. Also out on the newsstands now, in The Atlantic Monthly, is an essay Buckley wrote describing his decision...