Mayoral candidate Len Carson faces backlash over vaccine billboard ads By Kevin Limiti • Special to www.AllOTSEGO.com ONEONTA — Len Carson, the Fifth Ward Common Council member and Republican mayoral candidate, received some heat at the council’s meeting Tuesday, Aug. 17, for approving billboard ads through his company, DC Marketing, that presented false information about coronavirus vaccines. Jennifer Hill spoke at the meeting at City Hall, saying the ads were dangerous and strongly condemning Carson for his role in putting up…