Lost in Translation? On the Role of National Constitutions in the European Constitutional Order.- The Integrative Function of Constitutions: A Historical Perspective.- History Decides? Lessons from the Constitutional Debates in the Frankfurt Parliament of 1848.- Europe and the Constitutional Legal Model in the Light of Political Law.- Lost in Transition? From Domestic Integration Through National Constitutions to Supranational Integration Through European Constitutionalism.- The Relationship between the European and the National Legislatures from the Perspective of Constitutional Integrity.- The Humiliation of the State as a Constitutional Tactic.- The Right Stuff? On the Transformation of the Protection of Rights.- The Constitutionality of Competition. European Internal Market Law and the Fine Line Between Markets, Public Interests, and Self-Regulation in a Changing Constitutional Setting.- The Integrity of European Criminal Law Co-Operation: The Nation State, the Individual, and the Area of Freedom, Security, and Justice.