- HRC campaign dictating what language journalists should use
- DNC colluded with HRC campaign to attack Sanders before primary was finished (or had even began in some cases)
- Evidence of DNC "Pied Piper" strategy to make the RNC nominate a 'crazy' candidate like Trump.
- Discussing how to paint the Sanders campaign as sexist.
I don't know if leaks were the deciding factor, but I think a handful of leaked things contributed.