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Italy's prime minister, Mario Draghi, has offered to resign after losing the support of populists. The country's markets have suffered at a crucial time for growth and recovery. So what effect will political instability have on the economy? The same question is being asked in Sri Lanka, as President Gotabaya Rajapaska formally resigns. Elsewhere, American football is big business in Africa. Could the sport's inclusion at the Olympics bring players a share of the fortune? (Image: Italian Prime Minister Mario Draghi at a press conference in Rome. Credit: Getty Images).