Pavol Demitra scored twice and added a pair of assists while Keith Tkachuk had a goal and two assists as the St. Louis Blues doubled up the Ottawa Senators last night 4-2. Brent Johnson was brilliant in goal in this one, kicking away 28 shots including all 14 he faced in the third period. The Blues have now won two straight following a five-game losing streak. They’ll visit Columbus on Thursday night.