As the Wu administration moves to revamp the Boston Planning and Development Agency (BPDA), two unions – AFSCME Council 93 and SENA Local 9158 – have been seeking out BPDA staff members as part of unionization drives. SENA (Salaried Employees of North America) is a division of the United Steelworkers, while AFSCME (American Federation of State, County and Municipal Employees)