> Hillary Clinton did attack her husband's mistresses and accusers, and there's a long history of documentation of that
> But Politifact labels it "mostly false" because it was never proven to have come directly from her.
These statements are mutually incompatible. There can't be a long history of documentation for something which is proven.
Start your own fact-checker. Your examples just affirm that Politifact is doing it's job correctly.