I got the video from Reason Magazine via Instapundit. What is interesting is that two of his three key markers for psychopathy are: genetics and trauma or abuse. Those are the two markers that I have been saying for years are the cause of chronic drug use.
You can follow my trail some by reading these articles in order.
Is Addiction Real?
PTSD and the Endocannabinoid System
Addiction Is A Genetic Disease
Now does this particular information prove my point? Of course not. I do think it means I'm on the right track and some further exploration is in order.
Cross Posted at Classical Values