Biden rode the perception of electability to victory in 2020. But now it may be his undoing.
![Biden rode the perception of electability to victory in 2020. But now it may be his undoing.](https://media-cldnry.s-nbcnews.com/image/upload/t_fit_1500w/rockcms/2024-07/240705-biden-ch-1622-ef67cb.jpg)
Joe Biden’s superpower inside the Democratic Party has been the belief he can beat Donald Trump — a belief that helped him prevail in the crowded 2020 primary.