Robert Kennedy, Jr. actually said...

I left the party to run as an independent, the mainstream of American politics and journalism derided my decision.

Each time that our volunteers turned in those towering boxes of signatures needed to get on the ballot, the DNC dragged us into court state ...

They attempted to erase their work and to thwart the will of the voters who had signed those petitions.

Lacking confidence in its candidate, that its candidate could win in a fair election at the voting booth.