 Complete the following phrase:  In 1940 Salinger began to take part in the activities of the anti-government resistance group headed up by the former Young Communists official, Herbert Baum. The group tends to be identified in subsequent sources as the Herbert Baum Group, although that implies a level of coherence and organisation that may not have been apparent. Another group member was Salingers fiancée, Ursel Ehrlich. After the German government suddenly repudiated the 