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**FILE** Secretary of State John Kerry participates in the American Foreign Service Association (AFSA) Memorial Plaque Ceremony at the State Department in Washington on May 3, 2013, honoring the dedication of colleagues in the Foreign Service. Biden and Kerry paid tribute on Friday to Benghazi victims Chris Stevens, Sean Smith, Glen Doherty and Ty Woods as well as Anne Smedinghoff, the young foreign service officer killed in Afghanistan. (Associated Press)

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