this is what will lose him support. regime change is fraught with contending parties and the military is one.
with the senior hierarchy reduced there'll be risk of militia groups forming around charismatic religious and military figures. theres a slice of the population ready for change, but the fear of the security and police generally keeps them suppressed.
the yanks found Iraq difficult and they were welcomed by many there.... Iran is a whole different level of fraught.
Trump thinks he can knock on Iran's door, take over and then leave a CEO in charge and let the Iranians work it out. this is ridiculous. profoundly ignorant.