At the beginning of this year’s midterm campaign, analysts and political operatives had every reason to expect a strong Republican showing this November. President Biden’s approval rating was in the low 40s, and the president’s party has a long history of struggling in midterm elections. But as the start of the general election campaign nears, it’s becoming increasingly hard to find any concrete signs of Republican strength. Tuesday’s strong Democratic showing in a special congressional election in New York’s 19th District is only the latest example. On paper, this classic battleground district in the Hudson Valley and Catskills is exactly...
