In the 2020 presidential election, 66 million Americans voted with a mailed-out ballot after most states loosened restrictions on qualifications to vote by mail to make voting safer in the pandemic. Another 36 million people voted in person at an early voting site before Election Day after many states expanded this option. Together, more than 56 million voters cast a ballot in a different way than in 2016, which was "extraordinary," as one recent scholarly study said. North Carolina's increase in using mailed-out ballots, alone, was fivefold. Georgia's was sixfold. Wisconsin's was fifteenfold...