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How September 11 changed security in America
This version of Mmvo120618565760 - Breaking News | NBC News Clone was adapted by NBC News Clone to help readers digest key facts more efficiently.
People take more responsibility for their own security after the September 11 terrorist attacks, and screenings at airports and large public events became commonplace. “I think it made everybody aware that defense of the country is not just for those in uniform,” former Homeland Security secretary Michael Chertoff tells NBC News’ Pete Williams.
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