Seattle’s dance community let out a collective groan last week when PNB principal Lucien Postlewaite announced that this his final season with the ballet. In August he’ll leave Seattle to join Les Ballets de Monte Carlo, home of director-choreographer Jean-Christophe Maillot, who worked with Postlewaite on a life-changing production of Roméo et Juliette in 2008. We’ve come to rely on Postlewaite to turn in emotionally charged, technically dazzling perform...