By Cooper DenisonSub-Saharan Africa AnalystGenocide WatchThe Dollo Ado Encampment in southwestern Ethiopia, home to one of the largest refugee concentrations globally. Credit: UNICEF 2012Ethiopia harbors one of the largest refugee concentrations in Africa, accommodating just under a million displaced people from across the continent’s eastern stretch. Somali refugees account for nearly one-third of this population—around 300,000 individuals. Des…