Much of Trump’s success so far can be illuminated by deeper principles of moral psychology that go back to two great Enlightenment thinkers: Jean-Jacques Rousseauand Adam Smith. While they differed in many ways, both Rousseau and Smith were acutely interested in the relationship between rich and poor that was emerging in 18th century commercial society. Both argued that growing inequality threatened to undermine social harmony. And their respective analyses diverge in ways that are useful in understanding Trump’s appeal. Read more here.