Concussions Are a Headache for the NHL and NFL

By Jon Heshka   Brian Burke, Harvard-trained lawyer and General Manager of the Toronto Maple Leafs of the National Hockey League, referred to concussions as the “topic du jour” earlier this year. While Burke may be guilty of not being politically correct in his characterization of brain injuries sustained in the course of playing a game, his colorful comments may properly place the issue into perspective.   The NHL was the first league to do baseline testing with respect to concuss