Desc: South Africa Under Siege: With P.W. Botha, Gaositwe Chiepe, Jonas Gwangwa, Kenneth Kaunda. Reporter Stephen Talbot goes behind the scenes to meet activists and leaders of the imprisoned Nelson Mandela's African National Congress (ANC), the main liberation movement fighting to end apartheid in South Africa. Filmed at the ANC's headquarters in exile in Lusaka, Zambia, and in Tanzania and Botswana.