When a 23-year-old woman was raped and tortured to death in Delhi, the case captured the attention of the world. Two months later, a 17-year-old girl was raped and tortured to death near Cape Town in an eerily similar case, but hardly anyone noticed. In both cases, the women were gang raped, mutilated and cut open. But the rape and murder of women has become horrifyingly common in South Africa. Nelson Mandela is still officially venerated as a saint, his smiling face appearing on countless posters, while the man himself, having solved all the problems of his native country, tours...