 Sports is about overcoming obstacles. This is Ernie Johnson, Jr., and those are the stories I love to tell in the broadcast booth. But the courage of college athletes is more than matched by another group of young men, the boys fighting Duchenne Muscular District. It's the most prolific genetic killer diagnosed in childhood, and there's no cure. But college football coaches are doing something about it, and you can help. It's called Coach to Cure M.D.,