Sen. Bernie Sanders' 2020 presidential campaign has been hit with an unfair labor practice complaint alleging illegal employee interrogation and retaliation against staffers.

BREAKING: Sen. Bernie Sanders' 2020 presidential campaign has been hit with an unfair labor practice complaint alleging illegal employee interrogation and retaliation against staffers. https://t.co/BYEAh696rF

— Bloomberg Law (@BLaw) July 23, 2019