The term "nuclear deterrent" has much less meaning in a world teeming with suicide bombers than it did during the Cold War. Our fear of the Russians seems almost quaint now; we knew they didn't want to die any more than we did. We have no such comfort in dealing with our Islamic terrorist enemies.
So when military officials in Israel start talking to journalists about planning a nuclear attack against Iran, it is hard to be very surprised. In fact, after reading this I feel almost a sense of relief that it is coming to this now. A nuclear showdown has been inevitable for some time. It will be awful and it will make things worse. But let's get the show on the road.