CNN is getting into business with David Chang and filmmaker Morgan Neville. The celebrity chef has signed on to host a travel food series for the cable news channel, a show that will see him take an “off-the-grid road trip through America’s food, culture and communities.” While the food-focused travelogue is a well-established format by now, the new CNN show will turn the concept on its head by not using any pre-planned itineraries or recommendations. Instead, Chang and some of his friends will follow local leads and tips and take spontaneous detours to discover “the stories, people and meals that don’t make it into guidebooks.” Neville ( Lorne , Man on the Run ) will produce the series through his Tremolo Productions along with Chang’s Majordomo Media. “What I’ve always admired about CNN’s storytelling is its willingness to explore culture through real human experiences,” Chang says in a statement.…