Leaders of Germany's environmental party Die Gruenen (The Greens) Roth, Oezdemir and lead candidates...
Leaders of Germany's environmental party Die Gruenen (The Greens) Claudia Roth (L-R), Cem Oezdemir and lead candidates for chancellor Juergen Trittin and Katrin Goering-Eckart attend a party congress in Berlin, April 28, 2013. REUTERS/Tobias Schwarz (GERMANY - Tags: POLITICS)