galbraith, very much a keynesian economist. and george stigler who had a very wry sense of humor said all economists are tall. there are two exceptions. john ken eths galbraith and milton friedman. i mean, that is just a classic line. i showed this to ben bernanke once, and he just does not have a sense of humor. the man looked at it and said, that's not logical. that was his answer. that's not logical. so anyway, a lot of -- i had a lot of fun times with milton friedman over the years, but our debates got heated from time to time. friedman was a tough debater. in fact, it has been said that milton friedman never lost a debate in his entire career. now rose, his wife, would dispute that. but nevertheless, i saw friedman in action. i certainly never won a debate with milton friedman. i was in the london underground with the keynesian economist, "the new york times" columnist, and krugman has quite a high opinion of himself. and at one point i said, so paul, no mr. krugman. it's just paul, have you ever lost a debate? and he paused for a minute and he said, you know, i really don't think so. and i said, that's too bad milton friedman isn't alive