While Sidney Crosby is the paradigm of the plucky over-achiever, leading his Penguins on quite the trot through the league, scoring goals at whim and picking up points in his last 17 games in a row, Alex Ovechkin, his nemesis, ultra rival, has been determinedly standoffish and awfully quiet in the nation’s capital. Barely a pipsqueak has been heard from the dazzling Russian.