David C. Barker is Associate Professor of Political Science at the University of Pittsburgh and Director Designate of the Institute of Social Research at California State University - Sacramento. Since receiving his PhD from the University of Houston in 1998, he has authored dozens of scholarly journal articles on the subjects of public opinion and electoral politics. His previous book, Rushed to Judgment? Talk Radio, Persuasion, and American Political Behavior (Columbia University Press, 2002)), was nominated for several awards.
Christopher Jan Carman is Senior Research Lecturer in Government at the University of Strathclyde. He received his PhD from the University of Houston in 2000. He is also a co-author of Elections and Voters in Britain, 3rd ed. (Palgrave Macmillan, 2012). He has served as a consultant for the Scottish Parliament and a psephologist for BBC News.