Frequently called "the most dangerous place in the world," many see the island of Taiwan as the 21st century equivalent of Berlin during the Cold War of an earlier era -the hottest of hot spots, the potential flashpoint for world war between two superpowers -- in our time those powers being the People's Republic of China and the United States of America. What should be American policy towards Taiwan? Guest: Melanie Sisson, Fellow - Foreign Policy, Center for Security, Strategy, and Technology, the Brookings Institution.