… Most Republicans don’t just disapprove of the job Biden is doing as president — they strongly disapprove of his job performance. …
This lack of crossover support for presidents in their first term in office points toward one of the most animating forces in American politics today: Increased disdain and hatred of one’s political opponents, known as “negative partisanship.” …
Looking ahead, such deep dislike will likely keep Republicans opposed to Biden regardless of his administration’s actions. It also means that like Trump, Biden will likely have to rely on his own party’s support to buoy his overall numbers. CONTINUED
Geoffrey Skelley, FiveThirtyEight