author : Os GuinnessOs Guinness, an author and social critic, has written or edited more than twenty-five books, including The Call, Long Journey Home, Unspeakable, and The American Hour. A frequent speaker and seminar leader at political and business conferences in the United States, Europe, and Asia, Guinness has lectured at many of the world's leading universities and has often spoken on Capitol Hill. He lives in Washington, D.C.