... Munro Professor of Political Science, the Bass University Fellow in Undergraduate Education, the co-director of the Center for International Security and Cooperation, and a senior fellow at the Freeman Spogli Institute, all at Stanford University. He also serves as the chair of the American Academy of ... and Sciences’ Committee on International Security Studies. Before joining the Stanford faculty, Dr. Sagan was a lecturer in the Department of ... at Harvard University and served as the special assistant to the director of the Organization of the Joint Chiefs of Staff. He is a scholar of nuclear issues and is the author, ... among other works, of Moving Targets: Nuclear Strategy and National Security (1989); The Limits of Safety: Organizations, Accidents, and Nuclear Weapons (1993); and, with co-author Kenneth N. Waltz, The Spread of Nuclear Weapons: An Enduring Debate (2012). Published articles include “ ... and Unjust Nuclear Deterrence,” in Ethics and International Affairs (2023); “Kettles of Hawks: Public Opinion on the Nuclear Taboo and Noncombatant Immunity in the United States, United Kingdom, France and Israel,” with Janina Dill and Benjamin A. Valentino, in Security Studies ( ... ); and, with Allen Weiner, “The Rule of Law and the Role of Strategy in U.S. Nuclear Doctrine,” in International Security (2021). In 2017, Dr. Sagan received the International Studies Association�...