When Ottawa Senators prospect Stephen Halliday arrives at a new level, he seems to figure things out quickly. At every level he moves up to — whether it’s the USHL, the NCAA, or the AHL — he’s found a way to not only stick with the club, but to thrive, moving quickly to the top of his team’s scoring list. That’s part of what makes the 23-year-old forward so intriguing as he pushes toward the NHL.