President Muhammadu Buhari’s re-election is a challenge for him to immortalise himself in this home stretch of his active political life. He must draw from the same pool as Nnamdi Azikiwe, Obafemi Awolowo, Ahmadu Bello, Aminu Kano, Yakubu Gowon, Samuel Ogbemudia, Michael Okpara, Lateef Jakande, Tony Enahoro, Emeka Ojukwu and a few others who considered…