Camelot’s inner circle is just about gone — though its spirit, some say, is very much alive. Wednesday’s death of Jean Kennedy Smith, an acclaimed former U.S. ambassador to Ireland and the last surviving sibling of President John F. Kennedy, virtually erases those who were closest to the assassinated 35th U.S. president. “This is sort of bringing down the curtain on one of America’s three political dynasties — the Adamses, the Roosevelts and now the Kennedys,” said Patrick Maney, a Kennedy scholar and retired professor of history at Boston College.
