If it is true that the test of a first-rate mind is its ability to hold two contradictory ideas at the same time, then we live in a century when it takes a first-rate mind just to get through the day. We have unprecedented access to information; cognitive dissonance is a banner headline in our morning papers and radiates silently from our computer screens. Slipstream, poised between literature and popular culture, embraces the dissonance. These ambitious...