Andrew Jason Cohen is a professor of philosophy and founding Director of the Program in Philosophy, Politics and Economics at Georgia State University. He is the author of "Toleration and Freedom from Harm: Liberalism Reconceived" (Routledge, 2018) and "Toleration" (Polity, 2014) as well as numerous articles. Increasingly, he is looking at toleration (or the lack thereof) in our system of criminal law, in business ethics and other fields of applied ethics, as well as at issues relating to free speech and civil discourse.  He blogs at https://prosociallibertarians.com.