Co-leader Claudia Roth points as she sits beside co-leader Reinhard Buetikofer (R) during a party congress of the environmental German Greens party (Buendnis 90 Die Gruenen) in the western German city of Cologne December 3, 2006. The Greens gather for a three-day congress to discuss their future policy. REUTERS/Arnd Wiegmann (GERMANY)