Video: Over-the-Phone Lie Detectors

The technology is called Voice Stress Analysis. It is used extensively in insurance call-centers, and has been around for a few decades. Essentially, it detects what statements you make which you feel an unusual amount of stress about compared to your "baseline" -- and thus makes guesses or assumptions about your mendacity. Now here's a question: With the "Bush Wiretapping Scheme", what makes anyone think that this sort of technology isn't being used, to pick up the conversations that people feel "anxious" about? Observe: