MICHAEL A. MESSNER is a professor of sociology and gender studies at the University of Southern California in Los Angeles. He is the author or editor of many books, including Some Men: Feminist Allies and the Movement to End Violence Against Women, King of the Wild Suburb: A Memoir of Fathers, Sons and Guns, and No Slam Dunk: Gender, Sport and the Unevenness of Social Change (Rutgers University Press).