Richard Delgado, Professor of Law at the University of Alabama is one of the founders of Critical Race Theory, and author of "Must We Defend Nazis?" He speaks to us about the essential relationship between free speech and equality. His work focuses on race, the legal profession, and social change, and he is the author of Critical Race Theory: An Introduction (2012) and the recently revised landmark book Must We Defend Nazis? Why the First Amendment Should Not Protect Hate Speech and White Supremacy (2018).