A UN poverty expert called on the CEOs of Amazon, DoorDash and Walmart on Tuesday to address allegations that wages at the US-based corporations are trapping workers in poverty, forcing them to rely on US Government benefits to survive.A UN poverty expert called on the CEOs of Amazon, DoorDash and Walmart on Tuesday to address allegations that wages at the US-based corporations are trapping workers in poverty, forcing them to rely on US Government benefits to survive. Read MoreUN News – Global perspective Human stories