North Korea's preparations to test a long-range missile prompt warnings and concern in Seoul, Tokyo and Washington. Guests discuss what's at stake, and what signals North Korea and the United States are sending.
Michael Green, served as special assistant to the president for national security affairs and senior director for Asian affairs at the National Security Council (NSC) from January 2004 to December 2005; associate professor at Georgetown University
Han S. Park, political science professor and director of the Center for the Study of Global Issues at University of Georgia
Hazel Smith, professor of International Relations at University of Warwick in England; author of Hungry for Peace: International Security, Humanitarian Assistance and Social Change in North Korea