Friday, Aug. 7ADVERTISEMENTJamestown Overcomers Narcotics Anonymous, 7:30 p.m., Seventh-day Adventist Church, 1201 4th St. NE. James River Alcoholics Anonymous, noon (closed, topic) and 8 p.m. (open, birthday night potluck), AA Clubhouse, 518 10th Ave. ADVERTISEMENTSaturday, Aug. 8Buffalo City Group Alcoholics Anonymous, 9 a.m. (open), AA Clubhouse, 518 10th Ave. James River Alcoholics Anonymous, noon (open) and 8 p.m. (open), AA Clubhouse, 518 10th Ave. James River Alcoholics Anonymous, 1:30 p.m., women (closed), AA Clubhouse, 518 10th Ave.