Hometown heroes make Nashville proud at the Southern Festival this weekend! Don’t miss the chance to support them at their panel discussions or under the tents with the booksellers. Thank you, hometown heroes, for giving us books that sing. Read on for tidbits and teasers from Don Winston, Nicki Pendleton Wood, Alice Randall, Caroline Randall Williams, Ed Tarkington, and Margaret Lazarus Dean (hometown broadly defined). From …