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FILE – In this Sept. 11, 2001 file photo, the remains of the World Trade Center stands amid the debris following the terrorist attack on the building in New York. Families of the victims of the worst terror attack on the United States in history gathered Wednesday, Sept. 11, 2013, to mark their 12th anniversary with a moment of silence and the reading of names. The Sept. 11, 2001 attacks in New York City and Washington killed almost 3,000 people and lead to a war in Afghanistan. (AP Photo/Alexandre Fuchs)