Caroline Kennedy (right) poses with former Arizona congresswoman Gabrielle Giffords after presenting her with the John F. Kennedy Profile in Courage Award at the JFK Library in Boston on May 5, 2013. (Associated Press)
Caroline Kennedy (right) poses with former Arizona congresswoman Gabrielle Giffords after presenting her with the John F. Kennedy Profile in Courage Award at the JFK Library in Boston on May 5, 2013. (Associated Press)
** FILE ** Caroline Kennedy speaks about 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 Thursday, Jan. 13, 2011. (AP Photo/Jacquelyn Martin)
Caroline Kennedy was the highest-profile name to actively lobby for the Senate seat vacated by Mrs. Clinton. (Associated Press)
Macaroni, standing, and Tex, Caroline Kennedy's ponies take life ease on the South Lawn grounds of the White House in Washington on May 17, 1962. Caroline and her friends frequently ride in the area. (AP Photo)
Empress Farah of Iran and Mrs. Jacqueline Kennedy pause on a tour of the White House south grounds, Washington, today, April 12, 1962, to visit with John F. Kennedy, Jr., year and a half old son of the President and Mrs. Kennedy. Macaroni, Caroline Kennedy's pony, has the freedom of the grounds and chimes in. (AP-PHOTO/pl)
Caroline Kennedy, president of the John F. Kennedy Library Foundation, unveils Pablo Picasso's painting "Rape of the Sabine Women" at the JFK Library and Museum in Boston on Thursday, Oct. 4, 2012. The painting is on loan to the library from the Museum of Fine Arts, Boston, in commemoration of the upcoming 50th anniversary of the Cuban Missile Crisis, which was Picasso's inspiration for the work. (AP Photo/Stephan Savoia)
Caroline Kennedy, president of the John F. Kennedy Library Foundation, unveils Pablo Picasso's painting "Rape of the Sabine Women" at the JFK Library and Museum in Boston on Thursday, Oct. 4, 2012. The painting is on loan to the library from the Museum of Fine Arts, Boston, in commemoration of the upcoming 50th anniversary of the Cuban Missile Crisis, which was Picasso's inspiration for the work. (AP Photo/Stephan Savoia)
Caroline Kennedy speaks about 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 Thursday, Jan. 13, 2011. (AP Photo/Jacquelyn Martin)
