He would be in charge for as long as it takes for the first person to get in arms or bullet length of him. A light punishment with huge upside for both parties.

They say that a good compromise is when both parties are dissatisfied. I feel like this is one of those "exception to the rule" situations.

Literally would end the war. US military plane lands in Tehran to drop off the (ex)POTUS as an apology.

"Our pseudo-democratic system gave us this shitstain for a leader. We're sorry. Here he is, do with him as you please."

Though at that point I suspect the US Military will be in the white house and I don't see that as any better.