VANCOUVER — Special teams proved to be the difference in a key matchup between the Vancouver Canucks and Dallas Stars on Thursday. The Stars capitalized on their power-play chances and clinched a spot in the NHL playoffs with a 3-1 win. The Canucks struggled with the man advantage and will have to wait to secure their post-season berth. “This is the kind of hockey it’s probably going to be the rest of the way, the kind of hockey it is around the league right now," said Canucks goalie Casey DeSmi