It is not far fetched to speculate that the United States has, over the past ten years, been sliding into a form of authoritarianism that retains only some aspects of the constitution and a limited rule of law. America's president can, for example, commit soldiers to combat overseas without a constitutionally mandated declaration of war by congress while it is quite possible to be detained by the authorities and locked up without any prospect of trial or opportunity to defend oneself. The government even believes it can kill American citizens based only on suspicion. I prefer to think of this transformation as the National Security State because it rests on a popular consensus that liberties must be sacrificed in exchange for greater public safety from various threats, international terrorism being the most prominent. It might just as well be called the National Warfare State as it also requires...