Apparently one of the tings GITMO detainees have to do in order to be set free is to sign a pledge against terrorism...kind of like how high school student sign pledges against drunk driving.
Well, as you can imagine, a person willing to kill themselves and others doesn't place much importance on a pledge like that...and here's some of the evidence. Detainee release story
I can see a MoveOn ad something like, "President Bush's idea of securing America against known terrorists is getting them to sign a pledge and sending them home"