David Brock is a widely published author and Democratic activist. In 2004, Brock founded Media Matters, the nation’s premier media watchdog. Following the 2010 elections, Brock founded the Democratic SuperPAC American Bridge, which is one of the largest modern campaign war rooms ever assembled using research, tracking, and rapid response to defeat Republicans. He is the author of five books, including his 2002 best-selling memoir, Blinded by the Right: The Conscience of an Ex-Conservative. His writing appears in USA Today, CNN.com, the Huffington Post, the Daily Beast, and Salon.