Michael J. Klarman is a professor of law at Harvard University. He is an expert in constitutional law, constitutional theory and constitutional history.

Vikram Amar is a professor of law at the University of Illinois College of Law and an expert on constitutional law.

Michael C. Dorf is a professor at Columbia University Law School. He is an expert on constitutional law.

Robert Cochran Jr. is Louis D. Brandeis Professor of Law and director of the Institute on Law, Religion and Ethics at Pepperdine University in Malibu, Calif. He is the editor of Faith and Law: How Religious Traditions From Calvinism to Islam View American Law.

Ahmed E. Souaiaia is associate professor of Islamic studies at the University of Iowa in Iowa City. He teaches a course on Islamic law and is the author of Contesting Justice: Women, Islam, Law and Society.

The Cato Institute is a public policy research organization dedicated to the principles of individual liberty, limited government, free markets and peace.

Mechon Hadar works to revitalize community, prayer and study among young Jews. Rabbi Elie Kaunfer is director.

StandWithUs is a pro-Israel advocacy group founded by Roz Rothstein, named one of the 50 most influential Jews by Forward in 2008. The organization maintains chapters by region as well as a youth branch, StandWithUs Campus, with several regional offices.

Neturei Karta is an anti-Zionist organization that opposes the existence of the state of Israel because its members believe that a sovereign Israel is contrary to Jewish law. Rabbi Dovid Weiss is associate director and is based in Monsey, N.Y. Contact via the form on its website.