IN THE AGE OF FAKE NEWS, trust and truth are hard to come by. Blatantly and shamelessly, pub- lic figures deceive us by abusing what sounds like ev- idence. Preeminent legal theorist Frederick Schauer proposes correctives, drawing on centuries of inquiry into the nature of evidence. Evidence is the basis of how we know what we think we know, but evidence is no simple thing. Ev- idence that counts in, say, the policymaking context is different from evidence that stands up in court. Law, science, historical scholarship, public and private decision making-all rely on different standards of evidence. Exploring diverse terrain including vaccine and food safety, election-fraud claims, the January 2021 events at the US Capitol, the reliability of ex- perts and eyewitnesses, climate science, art authen- tication, and even astrology, The Proof develops fresh insights into the challenge of reaching the truth.