Let's not move the goalposts. Biden might be upright enough to shuffle around and take selfies with some sports team. That in NO WAY is an indicator that he's up for FOUR MORE YEARS of a job that takes massive physical and mental toll of everyone who tries it.

But those aren't the goal posts you laid out. You questioned whether Biden was making his own decisions, not whether he might have difficulty with fulfilling his duties if he were re-elected.

But they may not be the ultimate decision makers is my point. The people who run the democrat party are looking at his unpopularity, the economy, the mess he's made of foreign affairs and the fact that despite throwing every last DA in the country at Trump they haven't been able to take him out yet.

There's no "people who run the democratic party." There's no secret cabal of "real" decision-makers that can pull the strings here. Biden's the most powerful person in the Democratic party - he's the goddamn President, and can shower favors or rain down reprisals on everyone else to a greater degree than any other person in the party.

The democratic party - like the GOP - is a coalition. There are different factions in the coalition, and Team Biden is only one of them. Other factions - like the old Clintonian group that Carville's a part of - have their own political interests and goals, and it's advantageous for them to take some minor shots at Biden to set themselves up for whatever happens after his Presidency. So too with Obamaworld. But that doesn't mean that anyone in the party has the ability to "veto" Biden's decision whether to run for the nomination or not, nor the ability to deny him the nomination if he chooses to run.