Brussels, 15/04/2009 (Agence Europe) - In an open letter published on 15 April in the Belgian daily newspaper Le Soir, the European Socialists are concerned by the fact that in its manifesto for the European elections in June, the European Liberal Democrats and Reform party (ELDR) has called for a reinforcement and extension of the single market in the EU fields of energy, postal services, the railways and healthcare (EUROPE 9881). "How do you propose to use the single market to ensure that...