Read “Concern about Islamists masks wide differences among them,” a Feb. 4, 2011, report by Reuters reporter Tom Heneghan.

Darrin Grinder is a professor at Northwest Nazarene University in Boise, Idaho. He co-authored The Presidents and Their Faith: From George Washington to Barack Obama (2012), which examines the religious beliefs of America’s presidents.

Matthew L. Harris is associate professor of history and director of the graduate program in history at Colorado State University-Pueblo. He co-edited The Founding Fathers and the Debate Over Religion in Revolutionary America.

Thomas S. Kidd is professor of history at Baylor University and senior fellow at the Institute for Studies of Religion. He is the author of God of Liberty: A Religious History of the American Revolution and co-editor of The Founding Fathers and the Debate Over Religion in Revolutionary America.

Steven Waldman co-founded and served as editor-in-chief of Beliefnet before becoming senior adviser to the chairman of the Federal Communications Commission. He is the author of Founding Faith: How Our Founding Fathers Forged a Radical New Approach to Religious Liberty.

John Fea is an American history professor at Messiah College in Grantham, Pennsylvania. Fea writes often about the role of religious leaders in the Trump administration and is the author of Believe Me: The Evangelical Road to Donald Trump.

Warren Throckmorton is associate professor of psychology at Grove City College, a Christian liberal arts school in Pennsylvania, and co-author of Getting Jefferson Right: Fact Checking Claims About Our Third President (2012).

Stephen Mansfield is the author of numerous books on religion and the presidency, including The Faith of Barack Obama and The Faith of George W. Bush. He has also written about the faith of other leaders, including Winston Churchill and Abraham Lincoln.

Read a Nov. 20, 2012, Religion News Service analysis about how the movie Lincoln has revived questions about that president’s faith. Via the Washington Post.