Former U.S. Secretary of State Hillary Clinton arrives to sign copies of her book "Hard Choices" at a Barnes & Noble book store in Los Angeles, California June 19, 2014. REUTERS/Lucy Nicholson (UNITED... more 
Former U.S. Secretary of State Hillary Clinton arrives to sign copies of her book "Hard Choices" at a Barnes & Noble book store in Los Angeles, California June 19, 2014. REUTERS/Lucy Nicholson (UNITED STATES - Tags: POLITICS MEDIA) less 
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Reuters | Photo By LUCY NICHOLSON / REUTERS
Thu, Jun 19, 2014 5:16 PM EDT