Disinformation. Trolling. Conspiracies. Social media pile-ons. Campus intolerance. On the surface, these recent phenomenons appear to have little in common. But together, they are driving an epistemic crisis: a multi-front challenge to America’s ability to distinguish fact from fiction and elevate truth above falsehood.What is truth? Is truth the same thing as knowledge? See acast.com/privacy for privacy and opt-out information.