In Part I of the Wisconsin Academy’s “Perspectives on a Post-9/11 World” Academy Evenings event on September 11, 2011, John W. Hall (UW-Madison Ambrose-Hesseltine Professor in U.S. Military History) and Donald Downs (the Alexander Meiklejohn Professor of Political Science, Law, and Journalism at UW-Madison) discuss the American military operations in Iraq and Afghanistan the treatment of captured terrorists and enemy combatants since 9/11. Hall’s research focuses on “small wars” involving irregular forces: colonial conflicts, insurgencies, and proxy wars. Downs is interested in constitutional law, criminal law, civil liberties and free speech, and the military presence within the university.