Andrew Coan is a law professor at the University of Arizona and Associate Director of the William H. Rehnquist Center for Constitutional Structure. He is a graduate of the University of Wisconsin and Stanford Law School. Prior to entering the legal academy, he clerked for Richard Posner on the United States Court of Appeals for the Seventh Circuit. Coan is the author of two books: "Prosecuting the President" and "Rationing the Constitution" (forthcoming Harvard University Press 2019). His work has also appeared in The Atlantic, Washington Post, Los Angeles Times and USA Today, as well as the nation's leading law journals. He lives in Tucson, Arizona, with his wife and three children.