Defining Moments: In politics, culture, sports and more, these words were increasingly looked up because of events in the news. January 8: "Vitriol" After the shooting of Representative Gabrielle Giffords… January 13: "Tawdry" When Sting used the word to describe his passionate… January 22: "Mercurial" After Keith Olbermann suddenly announced… February 1: "Inclement" As a major snowstorm approached the […]