Besides, the McCain dictum is debatable. What’s Iran going to do with its bomb? If it drops it on Israel it’s committing suicide. Mutual assured destruction deterred the Soviets, didn’t it? True, a nuclear Iran will be a bolder Iran, tempted to push even harder against our interests in Iraq, the Gulf, Lebanon and Palestine. But we have ways to push back. We could, for instance, extend our nuclear umbrella beyond Israel to our Arab friends.