It's easy to feel a pang of pity for a guy heading out the door. But the more sympathy he evokes, the more susceptible we are to the lies he is telling. READ MOREMemo to Obama: Moving Forward Doesn't Mean You Can't Also Look Back Will Obama's promise to protect and defend the Constitution include an investigation into the assaults on it perpetrated by members of the Bush administration? READ MOREWatch: Arianna Discusses Bush's Farewell Address on Rachel MaddowWatch: Arianna Discusses Closing Gitmo on MSNBC