A Changing Role

Most First Ladies don't look forward to assuming their role in the White House. Why their East Wing tenure is so fraught, and who really shines in the role. Also, the First Lady who told her husband, essentially, 'I made you President, now let's see what you can do with it.' Guest: Betty Boyd Caroli, author of "First Ladies: The Ever-Changing Role, from Martha Washington to Melania Trump"