Since May this year, the world's attention is fixed on South Africa, where the giant of its anti-apartheid struggle, Nelson Mandela, battles for his life. Information on his health has been extremely sketchy. But through the lens of Nobel prize winner Desmond Tutu, his fellow traveller in the battle against apartheid, and who was in India this week, we are offered a remarkable insight into the Mandela story, which is as much the story of these two individuals, who sometimes in conflict, sometimes in partnership played a key role in one of the most fascinating political journeys of our time.