The political career of Botswana 's ex-President Festus Gontebanye Mogae can be summarized under one heading: "good governance."  During his time in office from 1998 to 2008, the southern African country experienced steady economic growth and developed into one of the most prosperous on the continent. It now holds regular elections and is seen as one of the most stable countries in Africa. Mogae grew up in poverty: He was born into a family of cattle herders on August 21, 1939 in Serowe, a