By Fola Aina Nigeria’s northern regions continue to struggle with insecurity, claiming the lives of tens of thousands and displacing millions due to armed banditry and Boko Haram. Significant battlefield defeats led the military to resort to a strategy of establishing super camps to prevent terrorists and armed bandits from overrunning areas of relative peace. However, as that approach has largely failed, President Muhammadu Buhari decided to heed months of repeated calls for change among the military’s top brass when he appointed new service chiefs in late...