Summary: In our news wrap Wednesday, the largest retailer in the U.S. announced it will require customers to wear face coverings inside its stores. Walmart's policy affects more than 5,000 locations, including its Sam's Club stores. Also, U.S. Supreme Court Justice Ruth Bader Ginsburg is back home after being hospitalized for a possible infection. She spent Tuesday night at Johns Hopkins in Baltimore. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
