Bernie Sanders campaign workers unionize, becoming likely first presidential campaign to do so USA TODAYIn a First for Presidential Race, Bernie Sanders Campaign Staff Unionizes BloombergSanders campaign says staff has decided to unionize | TheHill The HillBernie Sanders' 2020 Campaign Becomes the First Ever to Unionize The Daily BeastBernie Sanders' staffers unionize in first for presidential campaign POLITICOView full coverage on Google News