In primary school in south-eastern Nigeria, I was taught...

In primary school in south-eastern Nigeria, I was taught that Hosni Mubarak was the president of Egypt. I learned the same thing in secondary school. In university, Mubarak was still president of Egypt. I came to assume, subconsciously, that he - and others like Paul Biya in Cameroon and Muammar Gaddafi in Libya - would never leave.