The democratic party has been adopting a lot of conservatives left behind by Trump's republican party. I think this is resulting in a pretty strong divide between the younger leftists and the older bidenites. You can see this by the infighting over domestic policy like immigration, oil permits, economic policy, transportation, and this death penalty policy.
I think Kamala is basically straddling that line to keep the party together, adopting a bit from the left while avoiding any pain points for the right. She's definitely more left than Biden, but I think it's possible that the party could break apart into something like a new Socialist Party and a America Party, if Trump leaves politics and the republican party shrivels up.
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