THOUGH SHE lives in one of the world's poorest countries, Drocella Yandereye is a picture of upward mobility. Her small farm in Rwanda, where she grows maize, beans, bananas and coffee, is thriving. She has built a new house and turned her old one into a chicken shed. Her interests range well beyond her village, evidenced by the two posters on her living-room wall showing African leaders and the countries of the world. What makes her even more unusual is that she has electric light.
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