I think a big problem here is that all existing laws and the system concerning presidents rests on one very important assumption. That the commander in chief is a decent, rational human being that carefully considers his actions and holds the interest of the United States and the Citizens in high regards. It all falls apart and gets too complicated to regulate when the assumption is that you can't trust the person in…
I don't think this is true. The constitution was designed with the idea of preventing a king from coming to power. The whole separation of powers thing presumes that an individual is bad, but groups are less bad.
Bad groups tend to scape goat individuals until their next rodeo.