How Seriously Should We Take Airport Security Boycotts? Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email A sign at a Transportation Security Administration (TSA) checkpoint instructs passengers about the use of the full-body scanner at O'Hare International Airport on March 15, 2010 in Chicago, Illinois. ( Scott Olson / Getty ) Produced by PRI and WNYC