Sharon Nepstad is Distinguished Professor of Sociology at the University of New Mexico. She is author of numerous books, such as Catholic Social Activism: Progressive Movements in the United States (New York University Press, 2019); Nonviolent Struggle: Theories, Strategies, and Dynamics (Oxford University Press, 2015); and Nonviolent Revolutions: Civil Resistance in the Late Twentieth Century (Oxford University Press, 2011).