John K. White is a political science professor and fellow at the Life Cycle Institute at Catholic University of America in Washington, D.C.

ReconcilingWorks, formerly known as Lutherans Concerned/North America, works to reconcile members of the Evangelical Lutheran Church in America to full inclusivity of LGBT people. Aubrey Thonvold is the interim executive director. The organization is based in St. Paul, Minn.

David Leege is an emeritus professor of political science at Notre Dame University and spends much of the year in Arizona. Leege is a leading expert on Catholic voting patterns.

Mary Jo Weaver is an emeritus professor of religious studies at Indiana University, Bloomington. She has written on American Catholics in the 20th century, with a focus on the conservative strain among American Catholics.

Stuart Rockoff is the current executive director of the Mississippi Humanities Council and former director of the history department at the Goldring/Woldenberg Institute of Southern Jewish Life in Jackson, Miss. He is an expert on this history of Southern Jews.

Michael Horan is a theologian at Loyola Marymount University in Los Angeles who can relate Catholic beliefs to Catholic practice, particularly in the political realm. Horan believes hard-line tactics by bishops to deny communion to abortion rights politicians can backfire.

David J. O’Brien is a professor of Catholic studies at the College of the Holy Cross in Worcester, Mass. He has written and commented widely about Catholics and politics.

Rebecca Kobrin is an assistant professor of history at Columbia University in New York City. She specializes in the history of American Judaism and is at work on a book about Jewish migration to North America.

Gregg Ivers is a professor in the school of public affairs at American University in Washington, D.C. He is an expert on constitutional law and is the author of To Build a Wall: American Jews and the Separation of Church and State.