Eastern railroad Norfolk Southern Corp. (NYSE:NSC) made it official today and said it will relocate its headquarters to Atlanta from Norfolk. The relocation, which is expected to take a couple of years, was finalized after the Atlanta City Council signed off a deal for the railroad to sell its property in Atlanta’s downtown Gulch development to CIM Group, a real estate company. CEO James A. Squires told the Atlanta Business Chronicle that the company will relocate 100 employe