Radical changes afoot. Last week's European summit very much opened the door to the resumption of European integration. At first glance, the decisions taken are not spectacular ones; in several cases, the results are simply a roundup of various dossiers under discussion or a confirmation of stances already in the public domain. At the same time, ambitious projects have been confirmed, such as the creation of the Energy Union, which was adopted by the heads of state or government as proposed...