Ghosts of 2016 primary haunt Democrats

Ghosts of 2016 primary haunt Democrats-thehill: Democrats are feeling a sense of déjà vu as infighting among presidential candidates intensifies. And with less than a week until the first 2020 primary debate, the sniping is expected to worsen. Democrats are concerned they will have another 2016 on their hands, when the primary grew so bitter that some supporters of Sen. Bernie Sanders (I-VT) intentionally sat on the sidelines instead of supporting the party’s eventual nominee, Hillary Clinton.