“The billion-dollar question,” as one Republican pollster put it, is whether Democratic candidates in crucial Senate races can continue to outpace the president’s unpopularity.
Carlina Rivera, a Manhattan councilwoman, and Yuh-Line Niou, a state assemblywoman, are vying to defeat rivals who include current and former members of Congress.
The third-term Democrat was the first openly gay woman elected to Congress. Now she is leading the effort to rally Republican support for legislation...