Untruth"In Untruth, Newsweek and Washington Post columnist Robert J. Samuelson explains why our political, economic and cultural debates so routinely traffic in misinformation popular fads that, like meteors, momentarily burn brightly in public consciousness and then fizzle out. They are discredited by time, experience and (occasionally) reason and logic. The prevalence of dubious political and intellectual fashions, Samuelson argues, stems from the triumph