Joe Biden vows to 'listen to scientists' on coronavirus – US politics live

Joe Biden and Kamala Harris greet supporters outside the Chase Center in Wilmington, Delaware. Photograph: Olivier Douliery/AFP/Getty Images

source https://www.theguardian.com/us-news/live/2020/aug/22/us-politics-live-joe-biden-kamala-harris-donald-trump-coronavirus-election-latest-news-updates