Reuters: Repeated failed crops caused by worsening drought have forced Christine Mwenda, a small-scale farmer in Zambia's central Mumbwa region, to do what was previously unthinkable. Since 2014, the 37-year-old has been selling sex in Zambia's capital Lusaka. The pay is better than growing maize, she said, and gives her a proper chance to feed her four children. "On average I make close to 500 kwacha ($0.70) on a good day," said Mwenda, who agreed to be interviewed on condition that her real name was not...