President Trump's vision for Washington includes threatening to take a wrecking ball to the Kennedy Center, a memorial to JFK. Kerry Kennedy, JFK's niece and the daughter of Robert and Ethel Kennedy, joins Christiane to discuss preserving her family's legacy and her new biography, "Ethel Kennedy."Also on today's show: Liani Greaves and David Greaves, "Once Upon a Time in Harlem"Learn more about your ad choices. Visit podcastchoices.com/adchoices