Global inequality doesn't just exist; it has been created . More than four billion people--some 60 percent of humanity--live in debilitating poverty, on less than $5 per day. The standard narrative tells us this crisis is a natural phenomenon, having to do with things like climate and geography and culture. It tells us that all we have to do is give a bit of aid here and there to help poor countries up the development ladder. It insists that if poor...