This is a few years old but contains some good lessons so is probably worth reposting
The speaker, Frans de Waal, is one of the heavyweights of the primate
world. Actually, we all are among the heavyweights of the primate world
but he's up there with Jane Goodall in the study of primates.
A quick hit via TED:
Earlier on fairness, the introduction to "Tribalism".