J. Daryl Charles, Ph.D. is the Acton Institute Affiliated Scholar in Theology & Ethics. He also is a contributing editor of Providence: A Journal of Christianity and American Foreign Policy and the journal Touchstone and is an affiliated scholar of the John Jay Institute. Charles is author, co-author, or editor of eighteen books, including Natural Law and Religious Freedom (Routledge, 2018), (with David D. Corey) The Just War Tradition: An Introduction (ISI Books, 2012), (with David B. Capes) Thriving in Babylon (Pickwick, 2011), Retrieving the Natural Law: A Return to Moral First Things (Eerdmans, 2008), and most recently, (with Mark David Hall) America’s Wars and the Just War Tradition: A History of U.S. Conflicts (University of Notre Dame Press, 2019) and Wisdom’s Work: Essays on Ethics, Vocation, and Cultural Engagement (Acton Institute Press, 2019).