..and apparently originated with slavery. http://www.motherjones.com/environment/2016/04/restaurants-tipping-racist-origins-saru-jayaraman-forked/ http://www.mo

..and apparently originated with slavery. http://www.motherjones.com/environment/2016/04/restaurants-tipping-racist-origins-saru-jayaraman-forked/ http://www.motherjones.com/environment/2016/04/restaurants-t...