John Adams never had an optimistic view of human nature, and his experience in the Congress and abroad only deepened his suspicion that his fellow Americans might not have the character to sustain a republican government. As early as 1776, he expressed his doubts about America’s capacity for virtue. In the Spring of 2016 Library of America released John Adams: Writings from the New Nation 1784–1826, the third and final volume of Gordon S. Wood’s…