But opposition says Cameroon's Paul Biya, who has held power since 1982, rigged the vote
                                
                                
                                    (Newser) -
                                    The world's oldest president, Cameroon 's 92-year-old Paul Biya, has won election again, the country's top court said Monday, after days of protesters' clashes with security forces left at least four people dead as opposition supporters demanded credible results. Biya has led the central African nation since...