In print, New York Times columnist Paul Krugman is sobering, serious, and wonky. On his Times blog, he's a jokester. And a guy who makes fun of names that are tough to spell. And a movie critic. And--occasionally--someone who is very, very angry at people who aren't nice to him. In other words, he's like every other blogger on the planet. For your reading pleasure, a sampling of Krugman's least on-topic posts from the past three months: