Nigeria’s Vice President, Prof. Yemi Osinbajo says the number of security challenges facing the country in recent times makes collaboration between traditional rulers across the country and government at all levels more critical. Osinbajo stated this on Saturday in Delta State, where he paid courtesy calls to the Ovie of Uvwie Kingdom, HRM Dr. Emmanuel Ekemejewan Sideso; and the Olu of Warri, HRM Ògíamẹ̀ Atúwàtse III. Spokesman to the Vice-President, Laolu Akande said in a press release that at both palaces, Prof. Osinbajo, accompanied by the Delta State Deputy Governor, Kingsley Otuaro, and t…