October 11, 2017 Africa's richest man, Aliko Dangote (L), Nigeria's vice president Yemi Osinbajo (C) and Lagos' governor Akinwunmi Ambode on tour of the Dangote oil refinery site, June 2016. (Reuters/Akintunde Akinleye) To start to understand how Aliko Dangote, Africa’s richest man, came to have such influence over the Nigerian government, it is useful to go back in time to 2003. Before then, he was a Nigerian billionaire just like any other. But in the run up to the 2003 election campaign, president Olusegun Obasanjo had a famous falling out with his vice president, Atiku Abubakar, over the latter’s attempt to succeed him as president after only one term. Obasanjo had also been operating on the understanding that Atiku, as the People Democratic Party’s (PDP) money man, would fund his re-election campaign. But Atiku told him that all the money had been spent during Obasanjo’s turbulent first term, notably on lobbying the national assembly not to impeach him on...