Byline: Jeff Levine Speculation over Don Fehr's potential involvement in professional sports' weakest union is making for one of the most compelling storylines of the 2010. National Hockey League season. Rumors continue to gain steam (http://bizofhockey.com/index.php?option=com_content&view=article&id=309:nhl-players-ask-donald-fehr-to-be-new-head-of-nhlpa&catid=33:nhl-news&Itemid=51) that Fehr, who is currently acting as an unpaid advisor for the National Hockey League Players' Association, will soon be elected Executive Director of the struggling players' association.