David Brock is the author of four political books, including The Republican Noise Machine: Right-Wing Media and How It Corrupts Democracy. In his preceding book, Blinded by the Right: The Conscience of an Ex-Conservative, a 2002 New York Times bestselling political memoir, he chronicled his years as a conservative media insider.Paul Waldman is the author or coauthor of three books on politics and media, including The Press Effect: Politicians, Journalists, and the Stories That Shape the Political World. His last book was Being Right Is Not Enough: What Progressives Must Learn From Conservative Success. He is also a columnist for The American Prospect.