The collective bargaining agreement between Teamsters Local 59 and the Steamship Authority is set to expire July 26 and the union wants a better deal for the licensed deck officers working for the ferry operator. More formally “the Woods Hole, Martha’s Vineyard and Nantucket Steamship Authority,” the authority is the statutory regulatory body for all ferry operations between mainland Massachusetts and the islands of Martha’s Vineyard and Nantucket, as well an operator of ferry services between...