Thin IceHis skates were too small. Or they didn't match. Or they were that ultimate humiliation for a boy trying to play hockey girls' white figure skates. Add to young Bruce McCall's shabby equipment his pencil thin wrists, weak ankles, and, as he puts it, "a fruit bat's metabolism with a tree sloth's reflexes," and you'll understand why he failed so dismally in the cold, rough world of neighborhood hockey in Toronto. Bruce's catastrophic career as a rink