Amanda Gorman kicks off new 'Word of the Day' series with 'Sesame Street' muppets

On Monday, poet Amanda Gorman taught Sesame Street's Grover about a new word, "upstander."

Gorman is the first guest in a new "Word of the Day" video series from Sesame Workshop, the nonprofit behind Sesame Street. Produced in partnership with media company WarnerMedia Kids and Family, the series "harnesses the power of...