ABC News has confirmed Pfizer offered to sell the U.S. government additional doses of its vaccine late this summer. The company said it might not be able to provide more doses until June 2021. WATCH THE FULL EPISODE OF 'WORLD NEWS TONIGHT': https://bit.ly/2L8sZ5U WATCH OTHER FULL EPISODES OF WORLD NEWS TONIGHT: http://abc.go.com/shows/world-news-tonight WATCH WORLD NEWS TONIGHT ON HULU: https://bit.ly/3iQLwPp #WorldNewsTonight #Trump #COVID19Vaccine