1. Answering the "invitation to struggle" / Donald R. Kelley -- 2. The president, executive, and Congress : the same old story? / Bert A. Rockman -- 3. Authorizing war : congressional resolutions and presidential leadership, 1955-2002 / Gary R. Hess -- 4. Intraparty factionalism on key foreign policy issues : Congress versus Clinton, 1995-2000 / Terry L. Deibel -- 5. Explaining congressional-executive rivalry in international affairs : the changing role of parties, committees, and the issue agenda / Bryan W. Marshall -- 6. Which dancer leads? : foreign trade policy making and divided government / Ralph G. Carter -- 7. Long-term trends in congressional foreign policy behavior : explaining variations in contention in the U.S. Senate in the past and in the future / Marie T. Henehan -- 8. Seeing things in perspective / Donald R. Kelley