One of many cataclysmic changes brought about by the digital revolution is additional difficulty for that ancient problem of distinguishing perception from reality. It is now possible with a keyboard touch [the flicker of an iris or, soon, a brainwave] to create “virtual reality”. Bombarded with the misinformation revolution [as well as information superfluity], judgments about the world and the U.S.’ role become even more difficult. There are, at least, a dozen circles where American interests are critically paramount but where outcome is – perhaps as always — unpredictable: Iraq-Vietnam. Is the reality the constant stream of bloody media stories...