Leadership Persons of the Year 2015 (allAfrica.com)

For achieving the improbable – former President Goodluck Jonathan for conceding defeat in an election in which he was a contestant – a first for Nigeria; Professor Attahiru Jega, for his courage, doggedness and fairness even in the face of threats to his life in the conduct of the 2015 elections; and President Muhammadu Buhari, for…