A monkey trap offers a reward such as food that, when grasped, makes the hand too large to withdraw from the hole in the trap giving access to that food. Unless the monkey lets go, the animal is stuck. Now, the obvious choice when danger arrives is to simply let go and run. But, supposedly, monkeys won't let go even as human hunters approach and then club them to death. The war with Iran has become the Trump administration's monkey trap; potential victory over Iran is the prize in the trap. Strangely, the only prize now available is something that…