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A TSA Agent checks the ID's of passengers as they pass through a security checkpoint on the way to their flights at Reagan National Airport in Arlington, Virginia, December 23, 2015. More than 100 million holiday travelers are expected to travel in the US during the last weeks of the year according to the American Automobile Association. AFP PHOTO / SAUL LOEB / AFP / SAUL LOEB        (Photo credit should read SAUL LOEB/AFP/Getty Images)
A TSA Agent checks the ID's of passengers as they pass through a security checkpoint on the way to their flights at Reagan National Airport in Arlington, Virginia, December 23, 2015. More than 100 million holiday travelers are expected to travel in the US during the last weeks of the year according to the American Automobile Association. AFP PHOTO / SAUL LOEB / AFP / SAUL LOEB        (Photo credit should read SAUL LOEB/AFP/Getty Images)

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    U.S. officials re-examining airport security

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U.S. officials re-examining airport security

Following the deadly terror attacks in Istanbul and Brussels, Turkey, airports in the United States are heightening security.

U.S. officials re-examining airport security

Following the deadly terror attacks in Istanbul and Brussels, Turkey, airports in the United States are heightening security.