Ted Brader is Professor of Political Science at the University of Michigan and Research Professor in the Center for Political Studies at the Institute for Social Research. He is the author of Campaigning for Hearts and Minds and currently serves as Associate Principal Investigator for the American National Election Studies and Associate Principal Investigator for Time-sharing Experiments for the Social Sciences. His research focuses on the role of emotions in politics, political partisanship, media effects on public opinion, and other topics in political psychology. He serves on the Governing Council of the International Society of Political Psychology and has served on the editorial board for the journal, Political Psychology.

George E. Marcus is Professor of Political Science at Williams College. He, with his colleagues, have written a number of books, among them, Political Tolerance and American Democracy, With Malice Toward Some: How People Make Civil Liberties Judgments, Affective Intelligence and Political Judgment. He is also the author of The Sentimental Citizen and Political Psychology: Neuroscience, Genes, and Politics. He has published in many journals of the political science and has received grants from the National Science Foundation, the National Endowment for the Humanities, the Sloan Foundation, the Ford Foundation, the Carnegie Corporation, and a held a residency at the Rockefeller Foundation Center in Bellagio, Italy.