SONIC® Drive-In crew Hazel Green, Alabama wins gold medal at this year's annual DR PEPPER SONIC GAMES   OKLAHOMA CITY, 2016-Sep-24 — /EPR Retail News/ — The SONIC® Drive-In (NASDAQ: SONC) crew of the SONIC Drive-In on Highway 231 in Hazel Green took home the gold medal at this year's annual DR PEPPER SONIC GAMES, a nine-month competition…