‘Heatley may be on the cusp of a Stanley Cup championship and broader stardom. He requested and received a trade from the Thrashers in 2005 to help put the accident behind him. Attention, as it used to be, is concentrated almost entirely on his hockey skills. The Snyders are still trying to shape and build the legacy of their son — most recently with an 18,000-mile trip to all 30 N.H.L. arenas — while coping with something that time and distance has not healed.’