I'm not sure if you've payed any attention to anything recent
here are some possibilities for you...
perhaps he'll be tried for the invasion of a sovereign nation? As it appears as if it will be shewn that the Secretary of Defense, Secretary of State, Vice-President, and the President all gave what i'd call 'false' attestations for reasons for going into Iraq.
perhaps we can ice the cake with his use of torture, as policy, something that breaks not only the Geneva Convention, but also our own constitution.
But don't trust me, i don't know what I'm talking about....