A 40-year-old Oklahoma man and a 16-year-old boy are dead after the man an argument between armed people erupted into gunfire during a family gathering in Tulsa. Three other people — a 20-year-old man, an 18-year-old man, and a 15-year-old boy were also shot, KOTV reported. Tulsa police said the 16-year-old, who was armed and …