I think it comes down to this, the outcome of the trial is known to the whole world. Do you think there is a chance in hell that Obama would allow them to beat the charges. It could be said, a trial like this will show the world who we really are, and that our system is just. However those who hate us, won't trust the trial - civilian or otherwise. Those who do trust us, do so because of our record. We don't need to prove something to them.