David E. Campbell is the Packey J. Dee Professor of American Democracy at the University of Notre Dame. He is the co-author of American Grace: How Religion Divides and Unites Us (2010) and Seeking the Promised Land: Mormons and American Politics (Cambridge, 2014), as well as numerous other publications on religion, civic engagement, and American politics. Campbell is a nationally recognized expert in the study of religion's role in American politics. Geoffrey C. Layman is Professor of Political Science at the University of Notre Dame. He is the author of The Great Divide: Religious and Cultural Conflict in American Party Politics (2001) and has published widely on religion and politics, party politics, public opinion, and voting behavior. He is currently the co-editor of the journal Political Behavior. John C. Green is Emeritus Director of the Bliss Institute of Applied Politics at the University of Akron. He is the author of The Faith Factor: How Religion Influences the Vote, and co-author of Seeking the Promised Land: Mormons and American Politics (2014) and Mr. Chairman: The Life and Times of Ray C. Bliss (2017), in addition to published articles on religion and politics, American political parties, and campaign finance.