Dan Tichenor is Associate Professor of Political Science at Rutgers University, New Brunswick. His recent book, Dividing Lines: The Politics of Immigration Control in America (2002) received the American Political Science Association’s 2003 Gladys M. Kammerer Award for the best book in American national policy. He also received the 2003 Jack Walker Prize for an article on organized interests and American political development. His research interests include the American presidency, Congress, social movements, interest groups, immigration and citizenship politics, and public policy. He has been a Research Fellow in Governmental Studies at the Brookings Institution, the Abba P. Schwartz Fellow at the John F. Kennedy Presidential Library, and a Faculty Fellow of the Center for Comparative Immigration Studies at the University of California, San Diego. He is a recipient of the Emerging Scholar Award of APSA’s Political Organizations and Parties Section. He is presently working on a book-length analysis of the dynamics of American interest group politics over time, titled A Question of Representational Bias (Cambridge University Press, forthcoming).