When people come to Nashville, one of the first things they notice is all the cranes building high-rise buildings throughout town. Everywhere you turn, new buildings, big and small, are being constructed. The 7-Eleven convenience store chain was here many years ago and then left. But as Nashville grew, they decided to come back. At first, they took over some existing Exxon Tiger Mart stores. Then, they decided to build some new locations. The strangest thing about these stations is that they look ready to open, but the coming soon sign stays up for months and months…