Every Day Principles Before Personalities, Narcotics Anonymous, 7 p.m., Harmony House upstairs (use south entrance by parking lot). Twice a Month Friday or Saturday Christian Singles Group meets twice a month, for more information on time and place, call 763-5945 or 762-1295. Every Sunday Flea Market At VFW, 6 a.m.-2 p.m., VFW Post, 3001 East Prospect, Ponca City, Vendor Spaces Available, All…