ROBERT WEINER is Professor of Political Science at the University of Massachusetts, Boston, and a Fellow at the Russian Research Center, Harvard University. Among his earlier publications are Romanian Foreign Policy and the United Nations (Praeger, 1984) and a contribution to Foreign Policies of Eastern Europe (Praeger, 1980). He has also published articles in Sudost Europa, The East European Quarterly, Orbis, and Current Politics and Economics of Russia.