Introduction: Questioning What Makes the EU Viable
The Problem of Viability in a Compound Polity
Developing an Analogical Comparison between the EU and the Antebellum US Republic
Comparing how the Rules of the Game are Contested
The Struggle to Maintain a Compound System: Creating and Contesting the Rules of the Game in European Integration
Contrasting and Explaining the Viability of Two Compound Systems
The Future Evolution of the EU Compound Polity: The Obstacles to Voluntary Centralization
Conclusion: Implications for EU Studies and the Debate over the Future of Integration.