Most of the problems of this world come down to us being engaged in scads of massive Prisoner's Dilemmas with (generally) fairly fast memory decay. NIMBYism, R

Most of the problems of this world come down to us being engaged in scads of massive Prisoner's Dilemmas with (generally) fairly fast memory decay. NIMBYism, Realpolitik, etc. all come down to Prisoner's Dilemma--most people want a better world but nobody wants to be taken advantage of by others' selfish actions.