TOM R. BURNS is Professor of Sociology at The University of Uppsala, Sweden, and Clarence J. Robinson Professor at George Mason University. He is also program co-director, Social Science Theory and Methodology Program, the Swedish Collegium for Advanced Studies in the Social Sciences.REINHARD UEBERHORST has been a member of the German Parliament and the West Berlin Parliament. He served as chairman of the German Parliamentary Commission on Future Nuclear Energy Policy. At present he is a member of the Parliamentary Commission of Enquiry, Technology Assessment and is a member of the Social Democractic Party's Commission on Basic Values. He writes on current issues and runs a policy consulting office in Germany.