The Fox Effect: How Roger Ailes Turned a Network into a Propaganda Machine is a 2012 book written by David Brock and Ari Rabin-Havt. Brock heads the progressive media watchdog group Media Matters, the stated mission of which is "to comprehensively monitor, analyze, and correct conservative misinformation in the U.S. media." The book details the numerous controversies of Fox News, with emphasis on its president, Roger Ailes. Source: Wikipedia (en)