If suspicions are correct that Iran has been secretly learning how to build and trigger a nuclear device, and also to shape a missile cone to carry such a warhead (as well as publicly developing nuclear-capable, far-flying missiles), then once it has fully mastered uranium enrichment it will soon be poised to break out at short notice, at a moment of its choosing, from the NPT’s limits. By enfeebling diplomacy, Russia is taking the world into more dangerous territory.