All explained by Noel Sheppard at Newbusters. It's the Dem Attack and Smear Machine of hollow organizations, paid for by Soros.
I think it's meant to be the Dem answer to the Repub attack machine during the Clinton administration, but the Soros folks don't seem to give a damn about the truth. Slash and burn while the candidate looks relatively uninvolved.
It's getting rough out there.