>> Can someone please explain to me why we can't use dogs to sniff for explosives at the airports? <<
It'd be more effective, cheaper, less intrusive... and dogs are cuter besides.
But man, not to be cynical, I think the answer is pretty obvious:
Because there isn't a big corporation out there that stands to make billions of dollars through the deployment of beagles.
The body scanners are not making us safer. But they are making somebody very wealthy, rest assured.
PS
www.askthepilot.com