Lord Alderdice, one of the key political figures who helped bring peace to Northern Ireland, provides us with a look at the personal reasons that fuel political conflict and provoke terrorist acts. He shares his approach for addressing the tensions that face the United States and its allies today, with suggestions for overcoming terrorism and designing "road maps to peace." For more information on Travel with Rick Steves - including episode descriptions, program archives and related details - visit www.ricksteves.com.