America has been involved in a crisis of conscience for some time. Most of our recent political controversies have ended in denunciations and upheavals that seem off the charts by the standard of all previous American experience outside war. Consider the right-wing birther movement, which questioned the authenticity of President Obama’s citizenship, and the left-liberal Russiagate scandal, which accused President Trump of being a Russian agent. The loudest voices leveling these charges came from people with no interest in evidence. Rather, the accusations served their purpose within the factions that constitute the “base” of the major parties.