[ad_1] Staff at an Apple retailer in Atlanta filed a petition on Wednesday to carry a union election. If profitable, the employees might type the primary union at an Apple retail retailer in america.The transfer continues a latest pattern of service-sector unionization during which unions have received elections at Starbucks, Amazon and REI places.The employees are hoping to hitch the Communications Staff of America, which represents employees at corporations like AT&T Mobility and Verizon, and has made a concerted push into the tech sector in recent times.The union says that about 100 employees on the retailer — at Cumberland Mall,…