Disagreements over how votes are counted in some US states

The US Presidential race between Donald Trump and Kamala Harris involves a string of legal disputes over how ballots are cast and counted, including in a handful of states where experts say it could have a decisive impact on the outcome of the election. From disagreements over digital IDs, to absentee voting to voting by mail, FRANCE 24’s Charlotte Hughes takes a look at some of the key legal battles in these 'swing states'.