Commentary As glad as I am that NHL hockey has returned to TV, I have to admit that hockey has declined in quality since the days of Dave Keon and Bobby Orr. Maybe it’s partly my age, but the game isn’t as exciting as it used to be. Sometimes I turn it off in favour of a book and the melodies of Tommy Dorsey. Nor am I alone in this. Friends agree, and a few have stopped watching altogether, which as a Canadian I consider an act of apostasy. Take heart, though, as this will not be a rant. Instead I hope to analyze what has happened, as there is a great vacuum out there in sports-writing land, and no one that I’ve seen has recently attempted to determine why the game lacks the lustre it once had. In brief, my reasons are salaries, systems, and suckers. In the 1960s, …