I’m skeptical about all predictions of disaster. I’m predictably skeptical about doom-and-gloom predictions used to rationalize big expansions of government power: global warming, overpopulation, avian flu, resource depletion, terrorism, nuclear proliferation, “Mexifornia,” etc. But I’ve also long raised my eyebrow when libertarians predicted a Clintonian coup, hyper-inflation, or an American re-run of the Weimar republic. […]