Could better communication between federal intelligence agencies have prevented Umar Farouk Abdulmutallab from boarding a flight to the United States? John Brennan says, not a chance. The deputy national security adviser to President Obama denies a "smoking gun" in inter-agency communications. How well are agencies cooperating to prevent terrorism?
Evan Perez, Justice Department Correspondent for the Wall Street Journal
Loch Johnson, Regents Professor of Public and International Affairs, University of Georgia