David Brock is a widely published author and democratic activist. In 2004 he founded Media Matters the nation's premiere media watchdog. Following the 2010 he founded the democratic Super PAC American Bridge, one of the largest modern campaign war rooms ever assembled, which uses 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 new book is Killing The Messenger: The Right-Wing Plot To Derail Hillary And Hijack Your Government.