Original sentence: List of German Christian Democratic Union politicians.Volkmar Weiss is a German politician, representative of the German Christian Democratic Union
Edited sentence: He is mostly known for his controversial thesis that biological intelligence is fixed to social class and for co-founding the German Social Union.He was previously a member of the German Christian Democratic Union (CDU) from 1990 to 1993 but now mainly voices his opinion in far right publications.Volkmar Weiss (born May 23, 1944) is a German writer, who was heavily criticised after publishing racist theories.Weiss's theories are not recipated by scientifics, but find mayor interest by right extremists