Caption: President Muhammadu Buhari (middle), flanked by the Secretary to the Government of the Federation, Boss Mustapha (left), Senate President Ahmad Lawan (second left); Chief Justice of Nigeria, Ibrahim Tanko Muhammad (second right); and Chairman, Independent Corrupt Practices Commission (ICPC), Prof. Bolaji Owasanoye at the second National Summit on Diminishing Corruption in the Public Sector on Monday at the Presidential Villa, Abuja.