TORONTO – Personnel substitutions are the name of the game this off-season at Canada's most venerable sports property as new on-air faces and a new executive producer will take Hockey Night In Canada into the 2007-08 National Hockey League Season. Still-new executive director of CBC Sports, Scott Moore, has wasted little time overhauling parts of the broadcast, and may have rebuilt the on-air duo he once had when he was in charge at Rogers Sportsnet in Jim Hughson and Craig Simpson. While Hughson was already on board, Simpson – who had been an Edmonton Oilers assistant coach since 2003 –...