The twin specters of starvation and genocide stalk the southern Sudan when the tyrannical regime in Khartoum unleashes the Janjaweed, horseback-mounted Baggara tribesmen, on the defenseless Dinka and Nuer tribes. The prize is control of the oil reserves lying beneath tribal lands, and a weary United Nations responds with a half-hearted attempt riddled with corruption to rescue a beleaguered people. The United States sends six aging Air Force C-130...