** FILE ** Caroline Kennedy at the launch of the JFK Digital Archive, as part of the 50th anniversary of the inauguration of President John F. Kennedy, at the National Archives in Washington, on Jan. 13, 2011. (AP Photo/Jacquelyn Martin)

Photo by: Jacquelyn Martin

** FILE ** Caroline Kennedy at the launch of the JFK Digital Archive, as part of the 50th anniversary of the inauguration of President John F. Kennedy, at the National Archives in Washington, on Jan. 13, 2011. (AP Photo/Jacquelyn Martin)