What Happened to the Vanderbilt Dynasty?

Can you name any recent descendants of Cornelius Vanderbilt who didn't build one but two massive fortunes during the Gilded Age? After the third and fourth generations, the money started evaporating quickly, but why?Katherine Howe is the co-author of Vanderbilt: The Rise and Fall of an American Dynasty. During this conversation, we explore some of the fascinating stories she uncovered with her co-author, Anderson Cooper that spans six generations of the Vanderbilt family.