The world’s oldest president left for a ‘brief stay’ in Europe. He hasn’t returned in two months

When Paul Biya won his first presidential election in Cameroon in 1984, Nformi Bime was 23 and still a student. Bime is now 65 and retired from teaching. Biya is 93 – and still president. Last year, he won a disputed eighth term that could keep him in office until he is nearly 100. “The…