But, fortunately, the most egregiously wrong were all held accountable!
I think Yglesias has less to apologize for than most war proponents, in that he was a college student rather than a public official or well-compensated professional pundit, and he turned clearly and strongly against the war well before he had any professional interest in doing so. But, at any rate, this is how you do it:
Here’s my lessons learned from the U.S. invasion of Iraq: Starting wars is a bad idea.
And, finally, on the other end of the spectrum, John Yoo ladies and gentlemen!