MSNBC host Michael Eric Dyson on Wednesday lashed out at Sarah Palin, accusing the conservative of committing "treason" against Barack Obama by calling for the President´s impeachment. The guest host of the Ed Show first praised the President for "his tireless effort to help [illegal children who have crossed the border]." Dyson then fumed, "The President´s push towards positive and crucial change was met with treasonous accusations." [See video below. MP3 audio here.] During the last administration, however, Dyson called for the impeachment of George W. Bush. In a highly edited clip of Palin on Fox News, the Republican insisted,...