spread of coronavirus disease (COVID-19) in the Brady press briefing room at the White House in Washington.
（the White House said in a statement.did not say who was responsible.
還who called Trumps behavior a national embarrassment in an interview on ABC
國Biden also tapped campaign staff and advisers to lead an all-woman communications team.
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REUTERS/Cheney OrrDemocrat Joe Biden defeated Trump in Arizona by more than 10.