What Trump picking Stephen Miller for chief of staff signals about his agenda

Trump has replaced White House chief of staff Susie Wiles with Stephen Miller, the hardline architect of his immigration agenda, after a crushing midterm defeat. Immigration, once a political strength for Trump, became a liability after two years of mass detentions, deportations and armed agents in U.S. cities. Miller's appointment signals a doubling down on Trump's agenda. Liz Landers reports.