"I would reckon, if they do know there's proof, Dubya is just waiting to see if he can get any of his potential presidential opponents to start harping about it. If one starts harping and the press gives him mileage, the other candidates are bound to smell the blood and enter the feeding frenzy- hoping to not get left out of the action. Then Dubya shows his cards and wham bam thank you ma'am- all of 'em look like total jackasses."
In less gentile circles, this is known as "bait and switch." I believe there is a better than even shot the Prez and Tony have the goods in hand and are waiting for the opportune moment to spring the trap.
Never play poker with a cowboy from Midland, TX!
You got that right, my friend. When he says "I'll see that bet and raise you...." Fold fast.