A man receives instructions on going through a full body scanner at a Transportation Security Administration security checkpoint in the Newark Liberty International Airport in Newark, New Jersey

 
A man receives instructions on going through a full body scanner at a Transportation Security Administration security checkpoint in the Newark Liberty International Airport in Newark, New Jersey
A man receives instructions on going through a full body scanner at a Transportation Security Administration security checkpoint in the Newark Liberty International Airport in Newark, New Jersey July 28, 2011. REUTERS/Lucas Jackson