“This is a five-alarm fire,” said Jocelyn Benson, the Democratic secretary of state in Michigan, who presided over her state’s Trump-contested election in 2020 and may face a Trump-backed challenger next year. “If people in general, leaders and citizens, aren’t taking this as the most important issue of our time and acting accordingly, then we may not be able to ensure democracy prevails again in ’24.” In some areas, new political battlefields are opening up where none existed previously. Until this year, races for administrative positions such as judge of elections were noncompetitive to the point of being more or...