At Arizona State College of Law, a Christian Legal Society chapter had a disagreement with the school about the nondiscrimination policy. Paul Bender is dean emeritus and a professor at the law school and a civil rights authority who has been critical of waivers for campus groups.

Erwin Chemerinsky, dean of the University of California, Irvine School of Law, is a nationally recognized expert in constitutional law. He has defended Guantanamo detainees.

Thomas C. Berg is a law professor at the University of St. Thomas in Minneapolis. He is a leading expert on church-state issues and has written on religious land use questions. He supports the rights of religious organizations to choose members based on religion and sexual conduct. He has also written about religious speech in the workplace.

Frank Guliuzza III is a professor of government at Patrick Henry College in Purcellville, Va. He has written on issues of religion and the First Amendment.

Randall Ellis is vice president of public affairs for Legacy Health Community Services and former executive director of the Lesbian/Gay Rights Lobby of Texas. Ask him to discuss whether religious groups’ efforts to be excluded from nondiscrimination policies have affected campus attitudes toward gays and lesbians.

Lisa Shaw Roy is an associate professor of law at the University of Mississippi in Oxford. She teaches law and religion and has published law review articles concerning religious speech in public schools and the interpretation of the Establishment Clause of the First Amendment.

David Hudson is an adjunct professor of law at Vanderbilt University and scholar on the staff of the First Amendment Center at the university’s Nashville campus. He is an expert on First Amendment and church-state issues.

Leslie Strohm is vice chancellor and general counsel for the University of North Carolina at Chapel Hill, which denied recognition to a Christian fraternity that wouldn’t sign the university’s nondiscrimination policy.

John Witte Jr. directs the Center for the Study of Law and Religion at Emory University, where he also teaches law. He is an expert on legal issues related to marriage, family, Christianity and religious freedom. His books include Church, State and Family: Reconciling Traditional Teachings and Modern Liberties and Religion and the American Constitutional Experiment.