‘I’ve been studying nonverbal communication for over 50 years, 25 of them as an FBI agent specializing in decoding human behavior. I learned that humans are fairly good at lying — but they’re lousy at concealing their true emotions, especially when stressed. We reveal our unspoken thoughts in our bodies: faces flushed with embarrassment, lips pursed at unwelcome questions, fingers covering the neck dimple when discussing a touchy subject…

Here’s what I noticed at this debate:…’ (POLITICO)