He has to be proved to have done it, due process, etc, etc. The rule of law, not the rule of the lynch mob.
Of course, most reasonsable people expect such a person, found guiilty, to be executed or locked up without parole.
But those aren't words a US president should be spewing. He's supposed to be becoming more diplomatic, not continuing to be inflammatory in the "Bring 'em on" tone.
No doubt, hisitory will put dubya down as one of the worst US presidents. The guy is beyond stupid, totally inarticulate, without gravitas, no intellect, emotionally immature. Which is why is so popular with the rabble sheeple.
We know why the rich + corps like him. Follow the tax-cut money.