In the run-up to the Stanley Cup finals, Schulder pays a visit to hockey maven Stan Fischler. When the 83 year old historian of hockey is not fighting city traffic on his bicycle, he is analyzing games for the MSG Networks and writing books on the sport — the count is roughly 100. Fischler provides insights on speed versus power, the best players he’s ever seen, and his own journey into the world of hockey, which began with a great disappointment, on a day in 1939, when he was 7 years old …