McCain Backs Iraq War Despite WMD Findings -- Associated Press Headline, March 22, 2005.

This is the tiring before and after paradox. If you knew before you did something what you knew after you did it, would you still do it knowing then what you know now? If it were me I'd say something like, "If you knew before you asked that question that I was going to punch you in the nose and have sex with your wife, would you still ask me that question?"

Which is why I'll probably never have a career in politics.