Some states are still deciding election rules. What should voters do?

Election Day is less than four weeks away, and millions of Americans have already cast ballots. But rules in many states are still undecided due to pending court cases -- mostly over the distribution, verification and return of mail-in ballots. John Yang talks to Tammy Patrick of Democracy Fund, a nonpartisan foundation aiming to improve the democratic process, about what voters should know. PBS NewsHour is supported by - https://ift.tt/3cb1NLD

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