DALLAS (CBSDFW.COM) - A 79-year-old Oak Cliff woman succumbs to the North Texas heat and dies in her home just two days after reporting to police that her central air conditioner had been stolen.Dolores Grissom’s home sits on a corner with the air conditioning unit is completely exposed; only protected by a cage with a lock. On July 14 Grissom reported that her $2,500 unit was stolen. On July 16 she was found dead. Just this week the Dallas County Medical Examiner’s Office completed their report that stated Grissom’s death was heat-related.Grissom, who was buried last week, lived with her...