Brussels, 15/07/2011 (Agence Europe) - In a leading article by Jacques Delors (former president of the European Commission), Felipe Gonzalez (former Spanish prime minister), Romano Prodi (former president of the European Commission and former Italian prime minister), Etienne Davignon (former vice-president of the European Commission) and Antonio Vitorino (former European commissioner) in the Saturday 16 July edition of French newspaper Le Monde, a clear vision for the euro is called for so...