focuses on people breaking some important rule. Because of our tribal roots, all humans share the basic principle that a good person is selfless. These are the universal basics. Today we might not live in literal tribes, but we do exist in psychological ones. We’re all members of many overlapping ‘in-groups’. We might identify as black or Asian, for example, or as a boomer or a millennial, or as rural or urban, or as iOS or Android.

