The  second richest man in the world, Bill Gates has killed two birds with a single stone by attending the wedding dinner of his Billionaire friend Alhaji Aliko Dangote while on a visit to attend to Nigeria’s pressing economic issue.    The Chairman of the Bill and Melinda Gates foundation was spotted sitting at his reserved seat in EKO Hotel flanked by Alhaji Dangote himself and some other dignitaries.   On Saturday, Fatima Dangote and Jamil Abubakar celebrated their love in what we call the grand finale of their entire wedding events.  Some of those in attendance were Vice President Yemi Osinbajo, his…