When the Soviet Union dissolved, the triumph of liberal democracy seemed so complete that some historians declared the moment "the end of history." Three decades later, history is continuing apace and the fight to sustain democracy is this century's preeminent political challenge, dominating headlines at home and abroad and once again raising the specter of nuclear Armageddon. In this episode of Common Ground with Jane Whitney, a panel of A-listers discusses the life and death battle between autocracy and democracy and the future of constitutional government both in America and around the world.