20th Anniversary of 9-11 Terrorist Attacks

On the 20th anniversary of the deadliest terrorist attack on US soil, renowned terrorism analysts Ali Soufan, former supervisory FBI agent, now CEO of The Soufan Group, and Bruce Hoffman, senior fellow for counterterrorism and homeland security at the Council on Foreign Relations, reflect on the successes and failures over the past two decades of the “war on terror” and the daunting challenges that remain with host Carol Castiel.