The pandemic will mean that many more Americans vote by mail this year.All 50 states require people to register before they can cast a mail-in vote. But from there, the rules diverge wildly.And a lot could still change. Our correspondent Luke Broadwater, a reporter in Washington, says there are more than 300 challenges to voting-related rules winding through courts across the country.Americans should probably brace for a different kind of election night — it could be days or longer before the full picture of results emerges.Guest: Luke Broadwater, a congressional reporter for The New York Times.For more information on today’s episode, visit nytimes.com/thedaily Background reading: Republicans fear that President Trump’s messaging on voting by mail could depress turnout. But Democrats worry an overreliance on the mail could leave more of their votes uncounted.A New York Times Magazine investigation found that misleading and false claims about widespread voter fraud are part of a long disinformation effort — one that Mr. Trump has taken to new extremes.Here’s how to vote in your state.