They don’t actually keep us any safer, but they get us used to a police state and they made a lot of money for the politically-connected lobbyists and makers, so there’s that.
On the other hand, it sure would be a popular program to abolish.
Naked scanners
I wonder if Chertoff ever has his balls fondled when he flies?
http://www.nowpublic.com/world/full-body-scanner-lobby-michael-chertoff-rapiscan-2552674.html