But one can’t be optimistic about their chances for success in scuttling the deal. And one can’t be optimistic that the Obama administration will reverse course at the eleventh hour. Which means the last, best hope for stopping the Iranian regime from having nuclear weapons may well lie in a deus ex machina (if one may be permitted to use a pagan phrase for a Jewish state). It is Israel, not the great American superpower, that may well have to act to thwart Iran’s nuclear ambitions. And so the democratically elected leader of Israel, Prime Minister Benjamin Netanyahu, will have...