An unbelievable story out of Chicago: Blackhawks' management apparently failed to execute properly the qualifying offers for some key restricted free agents ahead of July 1, and this morning there's grave uncertainty that young stars Kris Versteeg and Cam Barker will be back with the club this fall. The league could rule that all Blackhawks' players who were not notified of their QOs in a timely fashion are unrestricted free agents. The players union would certainly support such a...