Journalists Robert Costa and Julie Hirschfeld Davis discuss Donald Trump's first week in office. Byron Wien of Blackstone, WSJ business editor Dennis Berman, and Bloomberg senior markets editor Mike Regan discuss the changes in the U.S. economy in the months since the election. A look back in memory of Mary Tyler Moore, the actress who became a symbol for single professional women in "The Mary Tyler Moore Show" and a passionate advocate for the Juvenile Diabetes Research Foundation.