Biden calls Kamala Harris 'Vice-President Trump' at Nato press conference – video

Joe Biden misidentifies vice-president Kamala Harris as Donald Trump during a press conference on the final day of the Nato summit in Washington. 'Look I wouldn't have picked Vice-President Trump to be vice-president if she was not qualified to be president. So start there,' Biden says. Biden earlier introduced the Ukrainian president, Volodymyr Zelenskiy, as 'President Putin' in a gaffe that will fuel further concerns about his mental acuity that have threatened to scuttle his presidential campaign

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