Hall-of-fame career included Olympic gold and a half-dozen NCAA championships Nebraska has lost a giant in the track and field world. Hall-of-fame sprinter Charlie Green, a six-time NCAA champion for the Huskers and a two-time Olympic medalist, died in Lincoln on Monday, one week short of his 77th birthday. Greene won three consecutive 60-yard dash titles at the 1965, 1966 and 1967 NCAA Indoor Championships, and he was the NCAA outdoor champion in the 100-meter dash in each of those years. He was a seven-time All-American and 11-time conference champion. A former world record holder in the 100…