Poll shows Democrats want to replace Biden on the ballot in 2024. A look at why.

It’s a reality of political polling that the grass is greener on the other side. People responding to such questions are invited to consider their ideal, hypothetical candidate as a replacement for Biden — not the kind of actual, very-human candidate who would run in his place (warts and all). And as The Post’s David Weigel notes, it’s also quite possible that many Democrats assumed Biden was a one-term proposition in the first place, given his age.