BERLIN, GERMANY - APRIL 27: Buendnis 90/Die Gruenen Baden Wuerttemberg state governor Winfried Kretschmann (R) , gestures as he speaks to Buendnis 90/Die Gruenen Boris Palmer (L), mayor of Tuebingen, on the second day on the three-day congress on April 27, 2013 in Berlin, Germany. Germany faces federal elections in September and the German Greens Party is hoping to win enough votes to govern in a coalition with the German Social Democrats (SPD). (Photo by Carsten Koall/Getty Images)
