The particular value of the International Sakharov Hearings is that they focus on aspects of life in the Soviet Union that normally receive little publicity. While a majority of the public in the West is aware of the more famous dissident cases. little is known about the violations of workers rights that. for example. take place in Communist nations designed to have become in theory a "workers paradise." In an amendment to the Foreign Relations Act of 1979. Congress acted last May to deny entrance visas to members of purported labor organizations from totalitarian states. in an acknowledgment of the pretense under which socalled labor representatives of the Soviet Union operate. This was not intended to be a move had "implemented the special measures" on to suppress freedom of movement be- the territory of Lithuania. Latvia and Estotween nations. but to indicate to the So- nia.