Bruxelles. From Italian Prime Minister Enrico Letta is the new president of the Jacques Delors Institute. It is the most important political, economic, and European society think tank. The Institute was founded twenty years ago by the former president of the European Commission, Jacques Delors and recently presided by Tommaso Padoa Schioppa. Letta will guide the Institute of Political Science of the Sciences Po University in Paris. (9colonne)