Kevin Arceneaux is Professor of Political Science, Faculty Affiliate with the Institute for Public Affairs, and Director of the Behavioral Foundations Lab at Temple University. He studies political psychology and political communication, focusing on how the interaction between political messages and people's political predispositions shapes attitudes and behavior. He is co-author of Changing Minds or Changing Channels (2013), which investigates the influence of ideologically slanted news programming and received the 2014 Goldsmith Book Prize from Harvard University. His work has also been published in the American Political Science Review, American Journal of Politics, and elsewhere. Ryan J. Vander Wielen is Associate Professor of Political Science and (by courtesy) Economics, and Faculty Affiliate with the Behavioral Foundations Lab at Temple University, Philadelphia. His teaching and research interests are in the areas of American political institutions, political behavior, quantitative methodology, and formal modeling. His work has been published in the American Journal of Political Science, the British Journal of Political Science, Legislative Studies Quarterly, Political Analysis, Public Choice, and elsewhere. He is also the co-author of Politics Over Process (forthcoming), The American Congress (Cambridge, 2013), and The American Congress Reader (Cambridge, 2008).