Robert J CottrolRobert J. Cottrol is Harold Paul Green Research Professor of Law and professor of history and sociology at George Washington University. He is the author of The Long, Lingering Shadow: Slavery, Race, and Law in the American Hemisphere and coauhor of Brown v. Board of Education: Caste, Culture, and the Constitution.Brannon P. Denning is Starnes Professor of Law at Cumberland School of Law at Samford University. He is the author of The Glannon Guide to Constitutional Law: Powers and Liberties and the coauthor of American Constitutional Law: Powers and Liberties and Guns and the Law: Cases, Problems, and Explanation. Read More Read Less