[Cronos]

If they replace Biden now, they get a big boost in the polls

[Zhang Fei]

[If they replace Biden now, they get a big boost in the polls]

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For blacks, the only acceptable replacement for Biden is Kamala, or maybe some other black pol. Same reason Hakeem Jeffries is House Minority Leader. It’s his turn due to seniority and passing him over would antagonize black voters. If Kamala is overlooked, from a black vote perspective, Katy bar the door. Black voters could leave the presidential line blank, stay home or vote GOP to spite the Dems. Any would be disastrous for the Dems.

Then there’s the fact that Biden has locked up the delegates. Changing the rules would be, to coin a Democrat expression, an insurrection, a coup in all but name. It would touch off unending chaos at future primary fights. They won’t do it just to improve their chances for one election, especially since the only viable replacement is Kamala. She helps to keep the black vote but does worse than Biden in every other demographic.

The Democrats are stuck in what chess players call a zugzwang. Every possible move leads to electoral defeat.