The abductions in Borno and Oyo states in recent weeks are not isolated tragedies. They are a terrible reminder that Nigeria’s war on insecurity is far from over. It is also a reminder that the frontline of that war now includes our classrooms, sadly. In Borno, armed men once again struck at the heart of a community already scarred by over a decade of insurgency, snatching students and leaving families in anguish. In Oyo, the script was tragica…