This traveler got the pat-down treatment at Chicago's O'Hare Airport on Tuesday. Scott Olson/Getty Images hide caption

toggle caption Scott Olson/Getty Images
On Opt-Out Day
  • <iframe src="https://www.npr.org/player/embed/131563305/131564205" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">