I actually understood where John Kerry was trying to go with his "joke". And, had he delivered the "joke" properly, it would have been a very effective cheap shot.
As King of the Cheap Shots, I know a good one when I hear one.
I can't defend President Bush's terrible performances when it comes to speaking off the cuff. The man just can't do it.
John Kerry should know this: Standup Comics spend hours practicing jokes before actually delivering them. Keep your day job...or don't.