America's best coach is crying. Not very much, and over the death of his mother five years ago, a completely acceptable reason for tears even by the standards of the tough-hearted college-basketball fans who worship him. But Mike Krzyzewski is definitely crying. "My mom gave me--and I didn't realize it growing up--unconditional support and unfailing love," he says. "You can't get any better than that. It created, for both my brother and for me, a safety net. That's why I've never been afraid to lose."
During his 21 years as men's basketball coach at Duke University, Krzyzewski (pronounced Sha-sheff-ski, or Coach...