Which federalism? : The choice and the stakes -- Federalism and the tug of war within -- American federalisms : from new foundations to new federalism -- The Rehnquist revival of jurisdictional separation -- The interjurisdictional gray area -- The role of the courts : tenth amendment balancing -- Legislative balancing through intergovernmental bargaining -- The role of the political branches : negotiating federalism -- The structural safeguards of federalism bargaining -- The procedural tools of interpretive balancing -- Conclusion. Toward balance in federalism.