To the outside world, Africa is all too frequently in the news for the wrong reasons. It has had natural disasters of epic proportion. In the 1970s and ’80s, drought and famine decimated populations in Ethiopia, Mozambique, Somalia, Sudan and west Africa. Epidemics periodically sweep the continent – malaria, AIDS, cholera and other contagious disease continue to threaten enormous numbers of people – and hunger and malnutrition are widespread problems in many places. All too often, however, the disasters are caused by human failings.