Robert Scheer - Editor-In-Chief of Truthdig & Professor at USC's Annenberg School for Communication | Gareth Porter - Independent Investigative Journalist & Historian | Heather Hurlburt - Director of New Models of Policy Change at New America | Robert Naiman - Policy Director at Just Foreign Policy | Charles Knight - Senior Fellow at Center for International Policy & Co-Founder of Project on Defense Alternatives. What are America’s core national security interests, and what are the real security threats we face in coming decades?