Biden mixes up Harris and Trump and introduces Zelenskyy as Putin in Nato speech

Biden mixed up Kamala Harris and Donald Trump, saying: 'I wouldn’t have picked Vice President Mr Trump to be Vice President if she wasn’t qualified.'

President Joe Biden speaks at a news conference following the Nato Summit in Washington (Matt Rourke/AP)

President Joe Biden used his highly anticipated news conference on Thursday to deliver a forceful defence of his foreign and domestic policies.

He also batted away questions about his ability to serve another four years even as he flubbed a reference to Donald Trump in one of his first answers.