I suspect I could build a computer profile that could guess your occupation with a better-than-random outcome based upon posture and eye gaze. Doctors tend to look around you, kind of like a farmer sizing up a heifer. Scientists look into the space next to you as they think about your words or, more likely, their own precious thoughts. Cops look right at you. They don’t look away when you make eye contact. They maintain the dominance stare because they’ve got a gun and a license from society to intimidate you. If you stare back and threaten that dominance, they’re only one radio call from a
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