Brazil’s Petrobras will be focusing on Africa as its main growth region abroad, the company’s chief executive told Reuters in an interview, listing Ivory Coast, Angola, Nigeria, and Namibia as specific destinations for investment. “We are experts in the eastern margin of Brazil,” Magda Chambriard said. “The correlation between Brazil and Africa is unequivocal, so we need to go to Africa.” Earlier this year, a senior company executive told Reuters Petrobras was looking to buy interest in African oil fields to…