Former President Olusegun Obasanjo; former Vice President Atiku Abubakar; former Senate President David Mark are among leaders attending the 60th Birthday Colloquium of the former Speaker of the House of Representatives Aminu Waziri Tambuwal. The Colloquium which is populated by opposition politicians across the country is being chaired by Olusegun Obasanjo and also has in […]