“The tenacity of the Churchill myth is instructive: the kind of idolatry focused on Churchill (and Reagan, and several others similarly situated — and even on Bush by his most ardent and self-blinded worshippers) reveals a gross kind of immaturity on the part of a distressingly large number of people. Without their Great Men to whom they can turn for protection in times of danger, they appear to feel utterly helpless and to believe they are doomed to destruction.”