The European Union (EU) has been a remarkable experiment in multi-level governance, economic integration and multilateral diplomacy. However, it has also exemplified an important if not courageous democratic experiment. Never before has an equally ambitious democratic project been attempted beyond a nation state. Professor Jan Zielonka will try to assess the success and failure of this experiment. Although the European Parliament has acquired more powers in recent treaties, the EU’s legitimacy has not visibly increased.