The Lisbon Treaty is the latest and most crucial reform to the European Union. As the successor to the much-debated and innovative Constitution, it represents the culmination of the unification process, for it aims to simultaneously enhance efficiency and cover the democratic deficit inherent in the outdated decisionmaking mechanisms of the past, as a consequence of excessive enlargement and deepened integration. Thus, the first question is the extent to which the Lisbon Treaty renders the Union more democratic and according to what criteria that may be evaluated. Another question is related to the fact that the Treaty is the result of a fundamental debate on the very nature of the European Union: Is the latter to become an authentic political union or a mere free-trade area with secondary political attributions? And will its internal operating rules correspond more to a parliamentary or a presidential regime? The present work proposes to focus on the claim that the European Union...