Sarah Palin is the rogue elephant in the GOP war room. The maverick mom is distancing herself from John McCain and blowing off the advice of senior Republican aides, convinced they're damaging her reputation and ruining the campaign. Things have gotten so tense between Palin and her traveling staff, an insider said, that she's overruling their advice - which was evident last week when she ignored GOP aides piling into waiting cars at a Colorado event and strolled over to the press corps for an impromptu talk. MORE: Palin Has Future Even If McCain Loses In speeches, Palin has contradicted...