New Airport Security Screening Procedures Take Effect Amid...

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A traveler walks past a sign in the United Airlines terminal at... News PhotoAirport,Chicago - Illinois,Illinois,O'Hare Airport,Politics,Security,Transportation Security Administration,Travel,USA,WalkingPhotographer Collection: Getty Images News 2005 Getty ImagesCHICAGO - DECEMBER 22: A traveler walks past a sign in the United Airlines terminal at O'Hare International Airport December 22, 2005 in Chicago, Illinois. According to the Transportation Security Administration (TSA), security measures will be stepped up during the busy holiday travel season when, in an estimation by AAA, 63.5 million Americans plan to travel 50 miles or more. (Photo by Tim Boyle/Getty Images)