<http://webisa.webdatacommons.org/10293085> <http://www.w3.org/ns/prov#value> "Every day, the president and other officials are handed a ???threat matrix,??? often many dozens of pages long, listing the threats directed at the United States within the previous 24 hours. ???On 9/11,??? says Goldsmith, ???the president???s and the public???s perception of the threat was basically the same.??? But over time, the public???s perception of the threat has waned, whereas what the pr" . <http://webisa.webdatacommons.org/10293085> <http://www.w3.org/ns/prov#wasQuotedFrom> <harvardmagazine.com> . <http://webisa.webdatacommons.org/prov/329998740> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/10293085> . <http://webisa.webdatacommons.org/prov/411298299> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/10293085> . <http://webisa.webdatacommons.org/10293085> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> .