Fred Weston of the International Marxist Tendency, and editor of 'In Defence of Marxism', talks on Leon Trotsky's theory of the Permanent Revolution. This marxist concept constitued the main ideological opposition to Stalin's theory of 'socialism in one country', which came to be the dominant outlook of the Soviet bureaucracy, that grew out of the isolation and degeneration of the young workers state.

Part 1 and Part 2 .