Tribalism is a distasteful word to educated Africans. It suggests that atavistic fears play a disproportionate role in the politics of new African nations. Distasteful or not, tribalism is a key to many African problems—a point that was made all too emphatically in Kenya last week. President Jomo Kenyatta, who with his fellow Kikuyu has ruled the country since independence in 1963, threw Opposition Leader Oginga Odinga in prison and banned his Luo-dominated party.
Kikuyu and Luo, first and second largest of Kenya's 46 main tribes, have long controlled the country's politics. Initially, neither Kenyatta's Kenya African
National Union (KANU) nor...