"Joseph Goebbels, Hitler's propaganda chief (director of communications, in the current parlance), once said that if you are going to lie, you should tell a big lie," Chicago Sun-Times' Andrew Greeley writes. "That may be good advice, but the question remains: What happens when people begin to doubt the big lie? Herr Goebbels never lived to find out. Some members of the Bush administration may be in the process of discovering that, given time, the big lie turns on itself. ... 'War on terror' is a metaphor. It is not an actual war, like the World War or the Vietnamese or Korean wars.