'Do not book liars on the air': Soledad O'Brien calls out Lou Dobbs during hearing on 'media extremism'

In testimony on Wednesday, Anchor Soledad O'Brien called on news organizations to ban known liars. At a House Energy and Commerce Committee hearing on "extremism in the media," O'Brien began her testimony by recalling that then-anchor Lou Dobbs had falsely reported about the number of case of le...