On June 19, the US and Iran formally signed a memorandum ending more than a hundred days of war. Iran’s supreme leader was assassinated in the opening strikes, 13 American servicemen were killed in the conflict and Washington expended a significant share of its precision-munitions stockpile. The outcome, according to the administration’s own allies? A deal that leaves Tehran’s regime intact, its grip on power arguably strengthened, and key questions about its nuclear program deferred rather