When Edwin Cameron announced to a stunned local and international media that he - one of South Africa's most prominent citizens - was himself living with the virus cutting swathes through the population of the continent, the impact was immediate. In Witness to AIDS, Edwin Cameron's compelling memoir, he grapples with the meaning of HIV/AIDS: for him as he confronts the possibility of his own lingering death, and for all of us in facing up to one of the most desperate challenges of our time. In his intensely personal account of survival, Cameron blends elements of his destitute childhood with...