I've captured from The Daily Show the clip of W struggling to say "Fool me once, shame on you. Fool me twice, shame on me." Notice the look of abject fear as he realizes that he's going to muff it and it's going to end up on the news, and on damn fool weblogs.
And so it has.
Higher res version of Windows Media file (wmv) (2.2MB) for broader band users
Low res version of Windows Media file (wmv) (322K) for dial-up users
Real Video (217K) if you have the Real Player
MPG (880KB) for dialup users
Higher-res MPG (1.3MB) for broadband users
QuickTime (MOV) (381K) Best clarity per bit. (Thanks, Kevin Marks.)