Trump is a boomer who grow in a age where American power was incontested. Second, he is a narcisist and he will let Rome burn down before he let someone call him a loser.

Third. Even if our gerontocrat had a saner mind, I doubt he would be able to control Israel. Let them alone fighting Iran, with their missile defense depleted leting Iranian missiles rain down everywhere, Bibi would surely nuke Tehran and the Yemen, so I don't even think there's a way out of this.