While I have doubts about the point estimates of various polls, it seems clear that Harris is doing much better than Biden was across the board. There is also a sense of excitement that simply wasn’t there for Biden, and it’s resulting in a massive surge of small donations and volunteers.
This kind of turnaround really seems to be far beyond concerns about Biden’s fitness for office or campaigning. What I underestimated was the massive dislike of Biden, as unfair as that might be. I think the ‘Biden is old’ rhetoric really masked just how many of the undesirable events and outcomes of the last few years are popularly attributed to Biden. Make no mistake, as I’ve blogged many times, Biden et alia did a really bad job, bordering on non-existent, in defining his presidency and the Republican opposition. There are also plenty of Democrats who are just as neck deep in years, if not decades, of bad policy and politics, and who have an incentive to act as if Harris replacing Biden is a new direction (this is why I refer to Biden as a sin eater).
Anyway, it’s still striking just how much things have changed since Biden dropped out in terms of the ‘vibes’ (for lack of a better word).

President Biden dropping out and Vice President Harris may have been the most optimistic thing to happen since Hamas attacked Israel and Israel began bombing the daylights out of Gaza.
I sincerely hope we won’t be betrayed. (No replay of President Obama.) Unfortunately, Vice President Harris is mostly an unknown to me, except that she was at one time a prosecutor — a negative for me.