For helpful comments and discussions, I thank Charles Barzun, Christopher Eisgruber, Chad Flanders, Richard Garnett, Abner Greene, John Harrison, Andrew Koppelman, Jody Kraus, Douglas Laycock, Matthew Lister, Christopher Lund, Charles Mathewes, James Nelson, Saikrishna Prakash, George Rutherglen, Fred Schauer, Seana Shiffrin, Lawrence Solum, Mark Storslee, Nelson Tebbe, Pierre-Hugues Verdier, Xiao Wang, Free Williams, and audiences at Brooklyn Law School, the University of Pennsylvania Law School, and the Nootbaar Institute’s Annual Conference on Religion and Ethics at the Pepperdine University School of Law. I owe special thanks to Leslie Kendrick and Richard Schragger, who read and commented on multiple drafts. I am also grateful to Adam Yost for excellent research assistance.