BY DEANNA B. NARVESON | Staff writer Big Towns, a summit celebrating mid-sized cities and what they do to thrive, on Thursday wrapped up two days of discussions with a keynote session with Chattanooga, Tennessee, Mayor Tim Kelly. Kelly shared his thoughts about the similarities between the two cities, and what strategies they can use to help residents thrive and prosper. Read Acadiana Advocate Managing Editor Kristin Askelson's coverage of Kelly's keynote here. | 