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. Advocacy groups, politicians and their unwitting allies in the media instinctively create agendas of problems that afflict society and must be "solved".The problems...