"Disinformation. Trolling. Conspiracies. Cancel culture. Social media pile-ons. Campus intolerance. On the surface, these recent additions to our daily vocabulary 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. In 2016 Russian trolls and bots nearly drowned the truth in a flood of fake news and conspiracy...

"A liberal society stands on the proposition that we should all take seriously the idea that we might be wrong. This means we must place no one, including ourselves, beyond the reach of criticism; it means that we must allow people to err, even where the error offends and upsets, as it often will." So writes Jonathan Rauch in Kindly Inquisitors, which has challenged readers for more than twenty years with its bracing and provocative exploration of...