Joe Biden said he and vice-president elect Kamala Harris had already begun a transition before his swearing in as US president on 20 January and called Donald Trump’s refusal to concede defeat ‘an embarrassment’.
Biden said he believed he could ‘get a lot done’ as he and Harris defended the Affordable Care Act, which was brought before the supreme court in a legal challenge by Texas and other Republican-governed states that was backed by Donald Trump’s administration