Unions and LegitimacyLegitimacy is vital to unions. Without it, they lose political and ideological support, members, and access to funds. Gary Chaison and Barbara Bigelow use the concept of legitimacy as a lens through which to understand the steady decline in union size and influence and to suggest new strategies for union revitalization. Chaison and Bigelow relate legitimacy to five case studies: the UPS strike, the organization of clerical workers at Harvard, the AFL