James G. Blight and Janet M. Lang served as academic advisors for Errol Morris's film. Pioneers in the field of critical oral history, they teach at Brown University's Watson Institute for International Relations. James Blight is the author of more than a dozen books on the recent history of U.S. foreign policy, most recently Sad and Luminous Days: Cuba's Struggle with the Superpowers after the Missile Crisis (with Philip Brenner); Cuba on the Brink: Castro, the Missile Crisis, and the Soviet Collapse (with David A. Welch); Wilson's Ghost: Reducing the Risk of Conflict, Killing and Catastrophe in the 21st Century (with Robert S. McNamara); and Argument Without End: In Search of Answers to the Vietnam Tragedy (with Robert S. McNamara and Robert K. Brigham).