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)

Photo by: 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)