There is more than one author with this name Gary Hart represented the state of Colorado in the U.S. Senate from 1975 until 1987. He is the Wirth Chair professor at the University of Colorado, chairs both the Council for a Livable World and the American Security Project, is a member of the Council on Foreign Relations and he was cochair of the U.S. Commission on National Security for the 21st Century. The commission performed the most comprehensive review of national security since 1947, predicted the terrorist attacks on America, and proposed a sweeping overhaul of U.S. national security structures and policies for the post-Cold War century and the age of terrorism. Senator Hart is the author of 17 books, including The Courage of Our Convictions: A Manifesto for Democrats, The Shield and the Cloak: Security in the Commons, and God and Caesar in America: An Essay on Religion and Politics. Read his blog on Huffington Post: