Glen Biglaiser is Associate Professor of Political Science at Texas Tech University, Lubbock. He can be reached at gbiglais@yahoo.com.

Alexander B. Downes is Associate Professor of Political Science and International Affairs at George Washington University, Washington, DC. He can be reached at downes@gwu.edu.

Martin Höpner is Assistant Professor of Political Science at the Max Planck Institute for the Study of Societies in Cologne, Germany. He can be reached at mh@mpifg.de.

James Ashley Morrison is Assistant Professor of Political Science at Middlebury College, Middlebury, VT. He can be reached at jamorris@middlebury.edu.

William Nordhaus is Sterling Professor of Economics, member of the Cowles Foundation, and Professor in the School of Forestry and Environmental Studies at Yale University, New Haven, CT. He can be reached at william.nordhaus@yale.edu.

John R. Oneal is Professor Emeritus of Political Science at the University of Alabama, Tuscaloosa. He can be reached at joneal@tenhoor.as.ua.edu.

Bruce Russett is Dean Acheson Research Professor of International Politics and Professor in the MacMillan Center at Yale University, New Haven, CT. He can be reached at bruce.russett@yale.edu.

Burcu Savun is Assistant Professor of Political Science at the University of Pittsburgh, PA. She can be reached at burcu@pitt.edu.

Armin Schäfer is Assistant Professor of Political Science at the Max Planck Institute for the Study of Societies in Cologne, Germany. He can be reached at as@mpifg.de.

Todd S. Sechser is Assistant Professor of Politics at the University of Virginia, Charlottesville, and a Stanton Nuclear Security Fellow at the Council on Foreign Relations. He can be reached at tsechser@virginia.edu.

Joseph L. Staats is Assistant Professor of Political Science at the University of Minnesota, Duluth. He can be reached at jstaats@d.umn.edu.

Daniel C. Tirone is a Ph.D. Candidate in Political Science at the University of Pittsburgh, PA. He can be reached at dct8@pitt.edu.