Mark Green is the author or editor of twenty-six books, including the #1 New York Times best-seller Who Runs Congress? and was the editor-in-chief of the Harvard Civil Rights-Civil Liberties Law Review in 1970. After working with Ralph Nader for the next ten years, Green founded The Democracy Project and served as the twice-elected Public Advocate for New York City. He was the Democratic nominee for mayor in 2001, losing the general election by two points to Michael Bloomberg. He then hosted the nationally syndicated radio show Both Sides Now with Huffington and Maitlin and later became the last president of Air America Radio.