Not much to say really.
Frankly Bush doesn't have the facts to back him, nor the debate ability to wield what facts he has properly.
I think that Kerry did a superb job of usurping Bush's thunder, such as when he invoked John McCain first.
Here's a good link for anyone who missed the actual debate;
Olbermann at the Scorer's Table: A play-by-play account of the debate, scored boxing style
(Read bottom to top.)