In this Tuesday, March 26, 2013 photo, Caroline Kennedy smiles during an 

In this Tuesday, March 26, 2013 photo, Caroline Kennedy smiles during an interview with The Associated Press in New York. Kennedy's 10th and latest book extols the value of learning poems by heart. (AP Photo/Mary Altaffer)
Associated Press
In this Tuesday, March 26, 2013 photo, Caroline Kennedy smiles during an interview with The Associated Press in New York. Kennedy's 10th and latest book extols the value of learning poems by heart. (AP Photo/Mary Altaffer)
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