A controversy surrounding a potentially offensive video that was circulated last fall among members of the Nevada County Consolidated Fire District board, and district employees, was brought to light this week by a former human resources director. Lisa LaBarbera, who has stepped down as the district’s HR director, said officials at Nevada County Consolidated Fire District circulated a video via email that had racial overtones, which may have offended some people associated with the district. LaBarbera said she received a mail package from an anonymous source that contained an email chain involving the district’s board of directors members Keith Grueneberg …