Think Progress:Income inequality in the U.S. is currently the highest its been since the 1920s, with the 400 richest Americans (who are all billionaires) having as much wealth as the bottom 50 percent of Americans combined. And as it turns out, just one wealthy family has managed to amass a fortune equal to that of the combined net worth of the bottom 30 percent of Americans — the Waltons, heirs to the Walmart fortune...
