We already have a roadmap for this, thanks to the fascists. The way they took over the Republican party 15 years ago was by aggressively getting involved in the primary process. Once establishment neoliberal Dems start losing their primaries, the rest will get the hint real quick.
Funding? How do we fund a Dem party takeover? GoFundMe? Genuinely asking, Repubs have money to burn, we don’t.
Is this a writing prompt, or a research suggestion, because I genuinely don’t know?
I’m not sure if party elections are covered by the same finance laws as regular elections… Good question.
The Justice Democrats tried this. They ran into the same problem that all groups face when trying to change the system from within- campaign financing.
Capitalism will not allow a change that contributes to its demise. This needs to be grassroots social movement, outside the system to have any chance of succeeding. Look to New Deal progressivism and reform as a guide.