Anne Curzan: Going Grammando: A Linguist's Look at Grammar Pet Peeves

Anne Curzan will examine some of the most common grammar pet peeves, including “between you and I,” the use of "literally" to mean "figuratively," the new(ish) verb “to impact,” the pronoun “they” as a singular, the use of “that” for “who” in reference to people, dangling modifiers, and the use of “less” for “fewer.” How long have speakers been doing this? Should we accept it in speech? In formal writing? When does a “grammatical error” stop being an error?