The Washington Post fact checker went to work
on Bernie Sanders’ claim that the Walton family makes more money in one minute than the average Walmart worker makes in a year.  CORRECT! The family knocks down more than $25,000 per minute.

Diane Ravitch, who wrote an item where I learned about this first, added one corrective:

The difference is that the average Walmart worker has to go to work to earn money. The Waltons just sit still and get richer by the minute.