Greenpeace activists protest against brown coal mining at party congress of "Die Linke" in Cottbus and mobilize people to join the human chain against brown coal mining in August. "Die Linke" in Brandenburg together with the SPD had voted for mining in Welzow Sued II in the Lausitz. Greenpeace expert Karsten Smid chats with Ralf Christophers, DIE LINKE.