Contents: Ch-1-Today's Constitutional Situation within the EU - introduction and General background-Explanations for the Success of EU Law Given-ant Not Given-by the Doctrine Purpose and Outline of the book -A Theoretical Point of Departure: Is There a Specific EU Constitutionalism? Of which kind?- A Few Words on the Current Legal and Constitutional Situation of the EU Ch-2-Federalism and Multi-Level Governance in Today's Europe General Background Federalism and Subsidiarity The Theory of Multi-Level Constitutionalism from a European Perspective Practical and Theoretical Consequences of Multi-level Constitutionalism The State and the Constitution. The European Union and the Individual The Very Concept of Constitutionalism Revisited General Remarks The Theory of Constitutional Pluralism Some Further Theoretical Remarks Ch-3 Main Constitutional Issues Affected by the Lisbon Treaty-Areas Where the Lisbon Treaty Will Bring About a Profound Change New Treaty Changes once the Treaty Has Entered Into Force so Division of Competences Between the EU and the Member States-Relations Between the Core Institutions: The Commission, Council of Ministers and the European Council The Principle of Supremacy Issues only Indirectly Affected by the Enactment of the Lisbon Treaty The Charter of Fundamental Rights-Qualified Majority Voting. A Few Words on Closer Co-operation or "Flexible Integration" Ch-4-A Few Important Theoretical Remarks The "Post-Maastricht" Constitutional Thinking of Joseph Weiler, Jürgen Habermas Fritz Scharpf Giandomenico Majone on "Integration by Stealth" A Few Further Comments That Seem To Be Called For Ch-5-What To Do Now? Introduction A View to the Future 5.2.1 Institutional Issues 5.2.2 Theoretical Perspectives 5.2.3 A Few More Words on Values and Ideals A Very Short Summary