CDU Holds Federal Party Congress…BERLIN, GERMANY – APRIL 05: The former Prime Minister of Luxembourg Jean-Claude Juncker speaks at the CDU federal congress on April 5, 2014 in Berlin, Germany. The CDU, which is the majority partner in a coalition government with the German Social Democrat, is meeting to agree on its policy course ahead of European Parliament elections scheduled for May. (Photo by Axel Schmidt/Getty Images)

CDU Holds Federal Party Congress…BERLIN, GERMANY – APRIL 05: The former Prime Minister of Luxembourg Jean-Claude Juncker speaks at the CDU federal congress on April 5, 2014 in Berlin, Germany. The CDU, which is the majority partner in a coalition government with the German Social Democrat, is meeting to agree on its policy course ahead of European Parliament elections scheduled for May. (Photo by Axel Schmidt/Getty Images)