Mark Stone has put up some impressive numbers so far this year, but he knows that’s only one part of the big picture in his dream to play in the National Hockey League. The 19-year-old captain of the Brandon Wheat Kings racked up 19 goals and 27 assists — 46 points in his first 22 games — to lead the entire Canadian Hockey League in scoring. The right winger is also one of the Ottawa Senators’ most enticing young prospects.