He is going to sign the thing.
He is not capable of telling the truth, because he literally cannot tell true statements from falsehoods. His speeches are just applause lines strung together.
I give you... George Hussein Busbama!
UPDATE: My friend Stefan D has this quip, on FB--"Well it's not like the detention is forever...it's just indefinite. I would think the detainees would enjoy the guessing..."Will I get out tomorrow?" Every day is like Christmas Eve."