Sarah Palin has officially changed the modern lexicon, one tweet at a time. While one might expect the New Oxford American Dictionary to refudiate the former Alaska governor’s favorite verb, today they embraced it, announcing “refudiate” as the official 2010 word of the year. "From a strictly lexical interpretation of the different contexts in which Palin has used 'refudiate,' we have concluded that neither 'refute' nor 'repudiate' seems consistently precise, and that 'refudiate' more or less stands on its own, suggesting a general sense of 'reject.' "the New Oxford American Dictionary said in a press release. Palin’s use of “refudiate,”...