I found this pretty interesting. Apologies it's not a direct answer to questions asked but it delves into some interesting areas of potential service a sociopath can offer to those not afflicted, also potential for growth by the sociopath to be polarized more positively.
From the sociopaths perspective.NY times article written from a sociopath that is a doctor who studies Sociopathy
From the sociopaths perspective.NY times article written from a sociopath that is a doctor who studies Sociopathy