Democratic Primaries

lied like a malignant brain-sucking rug.

As for why, Sanders' tactics appeal to a lot of people he wants to attract. Simple as that.

(As for why no liberal Democratic campaigns lie as SOP, lies repel most liberal Democrats, even when believed initially they end up backfiring. Hiring Sirota alone might sow enough doubt in Biden's integrity to be death to his campaign. WE don't do Sirotas, which everyone can see just by taking a look at the Biden campaign.)