(The NYT) To Understand Rising Inequality, Consider the Janitors at Two Top Companies, Then and Now

https://www.nytimes.com/2017/09/03/upshot/to-understand-rising-inequality-consider-the-janitors-at-two-top-companies-then-and-now.html?em_pos=medium&ref=headline&nl_art=7&te=1&nl=upshot&emc=edit_up_20190530