Kyle Busch was coughing up blood a day before his death, 911 call reveals

NASCAR star Kyle Busch experienced shortness of breath, felt he was overheating and was coughing up blood the day before his death , according to a 911 call obtained Friday by CBS News. Busch died Thursday at age 41. No cause of death has been given, though his family said earlier he had been hospitalized with a "severe illness" three days before he was to compete in the Coca-Cola 600 at Charlotte Motor Speedway in North Carolina. …