Above Lake Tanganyika's blue waters the Bahutu or Wahutu (singular Muhutu) were minding their own business 300 years ago when the Batutsi or Watusi (singular: Mututsi) wandered in, probably from Abyssinia. The Batutsi announced that hereafter they would run the twin kingdoms of Ruanda-Urundi, and look after the Bahutu. Because the Batutsi brought with them wondrous long-horned cattle and because they were seven feet tall, the Bahutu did not argue the point.
About 50 years ago the Germans came to Ruanda-Urundi to supervise the way in which the Batutsi ran the Bahutu. After World War I the Belgians proved to everyone's...