You've got to be careful smoking weed. It causes memory loss. And also, it causes memory loss.
David LettermanDid you see Howard Dean ranting and raving? Here's a little tip Howard - cut back on the Red Bull.
David LettermanToday Mitt Romney is 68 years old. It's kind of sad, a 68-year-old guy with no job, no future - wait a minute, that's me.
David Letterman