Brussels, 14/04/2011 (Agence Europe) - The German finance minister, Wolfgang Schäuble, has said that new measures may be necessary to help Greece tackle the heavy burden of public debt, which will be 150% above its Gross Domestic Product in 2011. On 14 April, he informed Die Welt newspaper that “in June a progress report is due. I expect a detailed analysis of Greece's debt sustainability, which will be carried out in consultation with the Commission and the ECB…If this report should...