USA 2024: Why Pennsylvania could hold the keys to the White House

Pennsylvania is a critical swing state that could be a deciding factor in the contest between Democratic nominee Kamala Harris and Republican nominee Donald Trump, a very close race on the eve of Election Day. If the margin is tight, the 4,300 mail ballots at issue could be enough to determine who wins the state and its 19 electoral votes. FRANCE 24's Jessica Le Masurier reports from Philadelphia, in the crucial swing state of Pennsylvania.