Morgan Marietta is Associate Professor of Political Science at the University of Massachusetts Lowell, where he studies the psychology of politics and writes about the political consequences of belief. He is the author of three previous books, The Politics of Sacred Rhetoric: Absolutist Appeals and Political Influence (Baylor University Press, 2012), A Citizen's Guide to American Ideology: Conservatism and Liberalism in Contemporary Politics (Routledge, 2011), and A Citizen's Guide to the Constitution and the Supreme Court: Constitutional Conflict in American Politics (Routledge, 2014).
David C. Barker is Professor of Government (American Politics) and Director of the Center for Congressional and Presidential Studies at American University. Previously, he was Director of the Institute for Social Research and CALSPEAKS Opinion Research at California State University, Sacramento (2012-2017), and Associate Professor of Political Science at University of Pittsburgh. He has served as principal investigator on more than 60 externally funded research projects, and he has published dozens of peer-reviewed journal articles in outlets such as the American Political Science Review, the Journal of Politics, Public Opinion Quarterly, and many others. His previous books include Rushed to Judgment: Talk Radio, Persuasion, and American Political Behavior (Columbia University Press, 2002) and Representing Red and Blue: How the Culture Wars Change the Way Citizens Speak and Politicians Listen (Oxford University Press, 2012).