Greek Socialist party PASOK supporters celebrate outside party's headquarters in Athens on June 7, 2009. The PASOK party, led by George Papandreou, son of late prime minister Andreas Papandreou, mustered 36.3-39.5 percent. Greece's ruling conservatives finished some six percentage points behind the opposition Socialists in the European election on Sunday, exit polls showed. Getty Images logo Getty Images 5 months ago

Greek Socialist party PASOK supporters celebrate outside party's headquarters in Athens on June 7, 2009. The PASOK party, led by George Papandreou, son of late prime minister Andreas Papandreou, mustered 36.3-39.5 percent. Greece's ruling conservatives finished some six percentage points behind the opposition Socialists in the European election on Sunday, exit polls showed.