She has published over twenty articles in political communication and is co-author of Capturing Campaign Dynamics (OUP, 2004). Bruce Hardy is a doctoral candidate in the Annenberg School of Communication, a Senior Research Analyst in the Annenberg Public Policy Center, and a member of the 2008 National Annenberg Election Survey team. Kathleen Hall Jamieson is the Elizabeth Ware Packard Professor of Communication at the Annenberg School for Communication at the University of Pennsylvania and director of its Annenberg Public Policy Center. She has published many books, including Echo Chamber: Rush Limbaugh and the Conservative Media Establishment (OUP, 2008) and the award-winning Spiral of Cynicism: The Press and the Public Good (OUP, 1997), both co-authored with Joseph N. Cappella.