The original version of this article, by Somini Sengupta, appeared on The New York Times.AGADEZ, Niger — The world dismisses them as economic migrants. The law treats them as criminals who show up at a nation’s borders uninvited. Prayers alone protect them on the journey across the merciless Sahara.But peel back the layers of their stories … Continue reading Heat, Hunger, War Force Africans Onto a “Road on Fire”