US President Barack Obama, former New York Mayor Michael Bloomberg, US First Lady Michelle Obama, former Secretary of State Hillary Clinton and former US President Bill Clinton tour the National September 11 Memorial & Museum on May 15, 2014 in New York. Obama inaugurated the museum commemorating the September 11, 2001 terrorist attacks. AFP PHOTO/Jewel Samad (Photo credit should read JEWEL SAMAD/AFP via Getty Images)
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AFP JEWEL SAMAD