A 56-year-old Calgary man is dead after a crash northeast of the city.  RCMP say he was thrown from the semi he was driving after hitting a pickup truck that didn't yield to him.  It happened at about 2:15 Saturday afternoon at the intersection of Highway 9 and Highway 566.  The 22-year-old driver of the truck and his 18-year-old female passenger were taken to hospital.  Investigators say charges may be considered depending on what the investigation finds.  No names have been released.