Brussels, 26/06/2012 (Agence Europe) - Wolfgang Schäuble, the German minister for finance, has mentioned the possibility of holding a referendum in Germany on the transfer of national competencies to the EU. In an interview with the German newspaper, Der Spiegel, on Monday 25 June, he said: “We can give more rights to Brussels but the German people must be able to speak on this issue.” He refused to set a date for a referendum but emphasised that it could occur “sooner than I thought...