ocr: Botswana's stability retlects its ethnic homogeneity and the continuing umportance oft traditional forms of authority, notably the village "kgotla," - or parliament. The I'swana make up 95% - ofthe population, with the Bamangwato forming the largest I'swana group. Botswana's first inhabitants, the San, or Kalahari Bushmen, have been marginalized. Whites dominate the professional sector.