America has entered one of its periods of historical madness, but this is the worst I can remember: worse than McCarthyism, worse than the Bay of Pigs and in the long term potentially more disastrous than the Vietnam War. The reaction to 9/11 is beyond anything Osama bin Laden could have hoped for in his nastiest dreams. As in McCarthy times, the freedoms that have made America the envy of the world are being systematically eroded. The combination of compliant US media and vested corporate interests is once more ensuring that a debate that should be ringing out in every...