By Dwelleth Morountodun President Muhammadu Buhari, on Thursday said for the present administration,fighting corruption is non-negotiable. Buhari who made the disclosure at the instance of a whistle visit by the former South African President, Mr. Thabo Mbeki, said fighting corruption has become a must for him. Mr. Femi Adesina, the president’s Special Assistant on Media and Publicity, said Mbeki heads the African Union (AU), High Level Panel on Illicit Flows from Africa, and he was around to give the President, who is the current Champion of AU Anti-Corruption Campaign, critical updates. "We must fight corruption frontally, because it's one of the reasons we got elected," President Buhari told his guest, adding: "We campaigned on three fundamental issues; security, re...