Supposedly, there was some buzz recently about whether the NHL should tolerate fighting, though I haven't been reading around about it. It seems this fight between Fedoruk and Orr in a recent Flyers vs Rangers game sparked it:
This is a case of two willing participants going at it with a unfortunate result for Fedoruk.
Truthfully, as for the "should professional hockey even tolerate fighting" subject, I have mixed feelings about it. I'll be frank: I do enjoy the brutal nature of hockey. I love hockey because it's one of the few sports that combines, at its basic nature, a high amount of skill, high speeds, tactical and strategic thinking by the players, team play, and full body contact in the same game. Trying to take away the physical side of hockey would take away a core part of the reasons I watched and played hockey.