Vincent Phillip Muñoz (University of Notre Dame – Department of Political Science), Michael W. McConnell (Stanford Law School), & Andrew Koppelman (Northwestern University School of Law) have posted Religious Exemptions? What the Free Exercise Clause Means on SSRN. Here is the abstract:
Michael McConnell, Andy Koppelman, and Vincent Phillip Muñoz share their (originally private) conversation and debate on the original meaning of the Free Exercise Clause and how the Founders' natural rights political philosophy translates into constitutional jurisprudence.