ROBERTO BIORCIO is associate professor of sociology at Universita Milano-Bicocca. His research interests are in the areas of political participation, electoral behavior, political parties, and social movements. He is the author of La Padania promessa: La storia, le idee e la logica d'azione delta Lega Nord "The promised Padania: History, ideas and logics of action of the Northern League" (1997), and co-author of La Lega Lombarda "The Lombard League" (1991) and of La sfida verde: Il movimento ecologista in Italia "The green challenge: The environmental movement in Italy" (1988).
GUY BIRENBAUM is maitre de conference in political science in Montpellier University. He is a member of the Scientific Council of the Centre for Comparative Studies in Public Policies and director of two collections in Denoel Editions.
BRUCE HORSFIELD is associate professor in communication and media studies and director of the Center for Communication Research and Development at the University of Southern Queensland, Australia. He has published widely on mass communication issues in several countries, including a Pacific Islands television social-impact study for UNESCO, Paris, and a study of "People Power" and the media in the Philippines.
RICHARD W. JENKINS is a senior consultant at EKOS Research Associates in Ottawa. Prior to joining EKOS in the spring of 2001, Dr. Jenkins was a SSHRCC postdoctoral fellow and assistant professor of political studies at Queen's University. He holds a Ph.D. in political science from the University of British Columbia and has previously published in a number of scholarly books and journals on the news media and the Reform Party of Canada.