Every four years, the U.S. Department of Defense conducts a congressionally mandated review of national defense strategy and priorities known as the Quadrennial Defense Review (QDR). As the Pentagon …

U.S. Representative Adam Smith, chairman of the House Armed Services Committee, discusses the future of U.S. foreign policy and defense priorities, congressional initiatives designed to strengthen U…

Watch Michèle Flournoy, undersecretary of defense for policy, walk through the Department of Defense's review of national defense strategy and priorities.

LAURENCE H. MEYER: (In progress) -- trigger that, and that it revealed that not just risk was re-priced, but that the leveraging up of many financial institutions, both on the balance sheet and off …

Alan Greenspan and Adrian Wooldridge discuss the seismic events and trends that formed America's economic history and the insights that can be derived for today's leaders.