INTERESTING..........Photos: President Buhari and ex-Finance Minister, Ngozi Okonjo-Iweala, meet at AU summit

President Buhari and Former Coordinating Minister of the Economic and Minister of Finance, and Author Fighting Corruption is Dangerous, Ngozi Okonjo-Iweala, today met at the 31st Session of the African Union (AU) summit taking place in Nouakchott, Mauritania.
What could they have been talking about in the photo above?