The release of 82 of the Chibok schoolgirls by their Boko Haram captors, after three years, is heart-warming, the U.S. government said. Mr Nathan Holt, the Deputy Director, Office of West African Affairs, Bureau of African Affairs at the U.S. Department of State, made the remarks in Washington, D.C. via teleconference on: “Nigeria, a critical U.S.…