Terror in Mumbai: After a screening of the HBO film Terror In Mumbai and terrorism experts discuss "the vulnerability of the U.S. to a like attack on 'soft' targets and mass transit?"

Steven Simon, Senior Fellow for Middle Eastern Studies, Council on Foreign Relations; former Senior Director for Combating Terrorism, National Security Council

Peter Bergen, National Security Analyst, CNN; Co-Director, Counterterrorism Strategy Initiative, New America Foundation

Paul Pillar, former senior CIA officer; Director of the Security Studies Program in the Edmund A. Walsh School of Foreign Service at Georgetown University

Moderator: Kimberly Dozier, Associated Press

Read more about the 2010 Aspen Security Forum.