Last of five programmes Natan now lives in Israel with Avital and his daughter, Rachel, and works to free other Soviet dissidents.

'The success of Gorbachev is not with western governments, but with the mass media who, for the first time, when they want to know about human rights in the Soviet Union, listen not to the dissidents who came from behind the Iron Curtain, but to the spokesmen of Gorbachev - and believe them.'