Morgan Marietta is an associate professor of political science at University of Massachusetts Lowell. He studies the political consequences of belief. He is the author of four books, "The Politics of Sacred Rhetoric: Absolutist Appeals and Political Influence," "A Citizen’s Guide to American Ideology," "A Citizen’s Guide to the Constitution and the Supreme Court," and most recently "One Nation, Two Realities: Dueling Facts in American Democracy," published by Oxford University Press. He and Bert Rockman are the co-editors of the "Citizen Guides to Politics & Public Affairs" from Routledge Press, and he is editor of the annual SCOTUS series at Palgrave Macmillan on the major decisions of the Supreme Court. He and David Barker write the Inconvenient Facts blog at Psychology Today.