Dr. Fierman is certainly welcome to his political theories, but he must have attended a different talk. I heard Dr. Krauthammer speak to our collective anxiety of a possible nuclear Apocalypse. Everyone’s nightmare is to have nuclear weapons fall into the hands of extremist groups obsessed with the destruction of the West. Unlike our former Cold War adversaries, he argued, nuclear armed terrorists may not be deterrable. Preemption is an unattractive option, but one that cannot be dismissed out of hand. The audience seemed quite unsettled when he concluded with the provocative thought: "What is the answer? I do not know."