> Clearly not, [the Democratic Party] exist[s] so the "right" (read corporate sponsored) dem wins.
> They paid her, she did favors for and supports them in return.
You have no evidence to claim that she updated her stances specifically because of those donations and not that she was given those donations by people who already agreed with her.
I would also check out Why Parties? by Jonathan Aldrich. It's been a long time since I read it, so I don't feel comfortable summarizing it at the time, but it's supposedly one of the better books out there to explain how political parties came about.