I agree with elena. My guess is that in primative cultures where hunting, warfare were constant pressures, people probably sensed that a highly confident leader was essential for the clan group's survival. In such a desperate context, a fearless psychopath could serve a pro-social function. Meat was hunted down, dinner was served, and enemies were scared off.
* In harsh conditions when n
Forum:
Large Group Awareness Training, "Human Potential"