Ignorance is trending. Politicians boast, "I'm not a scientist.¿ Angry citizens object to a proposed state motto because it is in Latin, and "This is America, not Mexico or Latin America.¿ Lack of experience, not expertise, becomes a...

An exploration of what we can know about what we don't know: why ignorance is more than simply a lack of knowledge. Ignorance is trending. Politicians boast, "I'm not a scientist.” Angry citizens object to a proposed state motto because...