If further threats emanate from Iran; bomb the hell out of them again. And, again, let them clean up the mess with their resources. Sooner or later, they will get the idea.
Not one allied life need be lost with the technology we have.
When did you get your card?
That's how Clinton fought -- lots of innocents killed but no political fallout for him. It's the cowards way... Also, the Iranian people are different from the thugs that oppress them.