There is no greater threat to the national security of Western nations than the nuclear abolitionist movement. If you want to talk about radical extremists who live among us, the Global Zero crowd are the most radical, the most extreme, and the most dangerous. They pose a far greater civilizational threat to the West than radical Islamists, radical environmentalists, and radical anti-capitalists combined -- although many of these other categories also play a role in the anti-nuclear weapons movements. And yes, Ronald Reagan's crazy talk about seeking a world without nuclear weapons was dangerous, naive fantasy land dreaming, assuming he actually believed what he was saying.