In 2020, the United States did not have election night so much as election week. Factors including a slow count of mail-in ballots in Pennsylvania delayed declaring Joe Biden the winner until the Saturday after Election Day, giving then-President Donald Trump time to allege fraud — allegations that resulted in the Jan. 6, 2021, effort to overturn the results. This year, some — but only some — of the thousands of people responsible for administering U.S. elections have learned the lessons of four years ago. Americans should prepare themselves for another difficult post-election period — even if it is unlikely...
