Transcript of the fourth public hearing held by the National Commission on Terrorist Attacks upon the United States held October 14, 2003 at the Russell Senate Office Building, Washington, D.C. The Commission heard testimony from two sets of witnesses on leadership of U.S. intelligence, intelligence and national security policy, and the effectiveness of warning against transnational threats. Among the six witnesses testifying was former Secretary of Defense and Director of Central Intelligence James R. Schlesinger and former Deputy Secretary of Defense and Director of Central Intelligence, John M. Deutch.