Employees at the Bloomfield branch of Starbucks announced the start of a campaign to unionize their store on Feb. 11, decrying Starbucks’ firing of seven employees at a Memphis, Tenn. store also attempting to unionize. The Bloomfield Starbucks Organizing Committee are the first Starbucks employees in Pittsburgh to request a union election from the National Labor Relations Board, according to a press release from the Pennsylvania Joint Board.…