Broward, the state’s second largest county, had a robust roll of active registered voters at the beginning of December: 1.28 million. By the start of 2024, the number suddenly had plunged — to 1.09 million. A few months earlier, records show, Palm Beach County saw a large downward bump as well. The county went from 946,189 active registered voters at the end of September to 847,617 a month ...