AS IF Americans did not have enough to worry about, Hannibal Lecter returned to the nation’s movie theatres last night. Sir Anthony Hopkins’s screen cannibal made his long awaited reappearance in Red Dragon, a prequel to Silence of the Lambs and Hannibal. The serial killer in the leather muzzle has come back to continue his reign of terror at a time when Americans are already immersed in a mood of suppressed anxiety. A shadow hangs over American life as the economy falters, the stock market continues its slide, pensions melt away and the tedium of living with the everyday inconveniences...