Frank R. Baumgartner is Miller-LaVigne Professor of Political Science at Penn State University. His previous publications include: Comparative Studies of Policy Agendas (2007), The Politics of Attention: How Government Prioritizes Problems (with Bryan D. Jones, 2005), Policy Dynamics (with Bryan D. Jones, 2002), and Agendas and Instability in American Politics (with Bryan D. Jones, 1993), winner of the 2001 Aaron Wildavsky Award, APSA Organized Section on Public Policy. He has been published widely in journals and serves on the editorial boards of American Journal of Political Science, Politic...