So how do you think you would cope in this situation?
I have discussed this topic ad nauseum with my friends. I came to the conclusion that if I were a "prisoner" in this situation, I would fight the guards tooth and nail if at any point I were unjustly treated--I have a pretty short temper at times. If I were a "guard" I think I would enjoy the temporary power that had been given to me, and trust that the prisoners had strong enough minds to tell me when enough was enough.
If this were real--I have no idea. As a prisoner I would do whatever was asked of me to avoid being tortured/killed, but I like to think that if Uncle Sam came to me and said "Hey we need someone to guard these political prisoners from wherever" I would do the morally right thing, whether that meant guarding them while treating them compassionately, or flat out refusing to. But perhaps I am just flattering myself. How would you cope?