(Washington Post) – The soldiers arrived in the middle of the night, tearing through the village of Nigerian refugees, barging into stick huts where families slept in knots on the floor. For years, those refugees had been on the run from Boko Haram insurgents, finally escaping across a dried riverbed that served as the border with Cameroon. They had settled in the village of Majina, where they farmed beans and millet. “A peaceful place,” the men said. And then, in March, the Cameroonian soldiers arrived.