COLUMBUS, Ohio — With the NHL regular season nearly three-quarters complete, and most of the Western Conference in a heated race for postseason position, it’s time for a sense of urgency for all concerned. Strangely, urgency has been strangely lacking in the Blues’ game lately. The malaise continued Saturday at Nationwide Arena, when the Blues fell behind 1-0 early, tied the game briefly in the opening period, but then played catch-up the rest of the way in a 5-4 loss to the Columbus Blue Jackets before a sellout crowd of 19,005. The Blues trailed 2-1, 3-2, and 4-3, but each time Columbus scor…