"Language and Human Nature" exposes a century's worth of flawed thinking about language, to exhibit some of the dangers it presents, and to suggest a path to recovery. It begins by examining the causes of changes in the English vocabulary. These sometimes take the form of new words, but more often that of new senses for old words. In the course of this examination, Halpern discusses a wide variety of verbal solecisms, vulgarisms, and infelicities generally. His objective is not to deplore such things, but to expose the reasons for their existence, the human traits that generate them.A large...