In his new book, “Killer High,” Brown Professor Peter Andreas shows how six psychoactive drugs have proven to be particularly important war ingredients. Andreas joins New York Times reporter C.J. Chivers, Watson Institute Senior Fellow Stephen Kinzer, political scientist Angelica Duran-Martinez and Watson Institute Director Edward Steinfeld for a discussion about the book. Joukowsky Forum, Watson Institute for International and Public Affairs, 111 Thayer Street.