A Chattanooga nonprofit is taking ownership of one of the city’s most iconic landmarks, making sure it’s preserved for generations to come. Cornerstones, Inc., a nonprofit devoted to historic preservation, is taking over Chattanooga’s Terminal Station , part of the Chattanooga Choo Choo hotel and entertainment complex. Ann Gray joins us to talk about why the station is so significant to local history. She’s the executive director of Cornerstones. Also, Arch Willingham. He’s the President of T.U.