Shaded by a grove of mopane trees, the village cemetery was strewn with fresh graves, most filled by victims of Africa's Aids epidemic who never reached the age of 30.Fanny Mbewe knelt in silent prayer beside her husband's unmarked resting place. Fanny Mbewe [right] was forced to submit to ritual ‘cleansing’ Anyone who wonders why Aids has spread faster in Africa than anywhere else in the world needs only to consider her experience.With millions of other women, Mrs Mbewe fell victim to a tradition known as "kulowakufa" which dictates that any woman whose husband dies must submit to sex...