There is no such machine as a lie detector

The funny thing, perhaps not so funny thing, about lie detectors is that they themselves are a big lie.
The machines, also known out of our wonderfully American pomposity as polygraphs, are a lie. The results they achieve are a lie, or at least no better than a coin toss.
These truths have been exhaustively proven and are now self-evident and have been for decades. And yet in our innocent faith in the mechanical, in our belief that if you can just hook up some wires to a person then we can reall