File photo of leaders of German Green Party Oezdemir and Roth

 
File photo of leaders of German Green Party Oezdemir and Roth
File photo of leaders of Germany's environmental Green Party (Buendnis 90 - Die Gruenen) Cem Oezdemir (L) and Claudia Roth attending a federal party congress in Berlin June 25, 2011. REUTERS/Tobias Schwarz/Files