How do we - societies and individuals alike - (sometimes) manage to act in line with our high priority goals when faced with tempting-yet-conflicting alternatives? In other words, how do we (sometimes) resolve a conflict between a superordinate, global goal and a subordinate, local one, and do so in favor of the global goal? These types of self-control dilemmas can be found in many contexts and may be described at many levels of analysis. Examples include the dilemmas faced by groups fostering cooperation among their members, when defection is more beneficial for each individual; dieters...