New episodes of Who Blew Up the Guidestones? drop Tuesdays. In between, we’re taking small detours—stories that echo the mystery in unexpected ways.    In this special episode, we talk to Ben Sutton from the Georgia Trust about whether the Georgia Guidestones should be preserved and how preservationists decide what should be saved.  If you like this series, you’re only scratching the surface. Go to ajc.com, become a subscriber, and find out for yourself.  Learn more about your ad choices. Visit megaphone.fm/adchoices