The Rangers (4-2-3) wasted Jaromir Jagr's first three-goal game since joining the team in 2004.
The Rangers wasted nine power-play opportunities.
Ranger didn't waste time when he made an apprehension.
The Rangers wasted a season-high 41 shots on goal, not to mention a stretch over the first and second periods in which they outshot the Senators, 18-2.
The Rangers had wasted still one more lead and trailed the Canucks by 3-2 after Brian Bradley's goal 1 minute 12 seconds into the third.
Not only that, but the Rangers wasted what should have been the easiest game on their schedule down the stretch.
The Rangers, finally, wasted a strong goaltending performance by Richter.
The Rangers wasted an opportunity to pull 3 points ahead of second-place Philadelphia in the Atlantic Division; the Flyers lost, 6-5, to Buffalo on Saturday.
The Rangers also wasted seven power-play opportunities.
The Rangers wasted a splendid effort by goalie Mike Richter, who faced 31 shots and at least 15 excellent scoring chances.