Summary: As the final hours of the 2020 presidential campaign tick away, nearly 100 million Americans have already cast their ballots -- representing more than two-thirds of all 2016 votes. Meanwhile, the candidates appealed to voters in swing states, including Pennsylvania, which is shaping up to play a critical role. Yamiche Alcindor reports and joins Judy Woodruff and Lisa Desjardins to discuss. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
