As she spoke, it occurred to me that maybe she didn't know what "achilles heel" actually means.

You're quicker than I am; that just occurred to me a few minutes ago.

Yeah, I thought the same thing. What I can't figure out is why no one has called her on it. Just who we want in the White House: someone who doesn't know what an Achilles heel is and who is unfamiliar with the word caricature.

True. And wasn't it Bush who was asked if he had made any mistakes and replied that he wished that had been a written question?