"For most of the 2,000-plus years since its foundation as a discipline by ancient Greek thinkers, rhetoric-the art of using language to persuade-was a keystone of a Western education. But in the early 20th century, studying rhetoric fell out of fashion. In The Ancient Art of Thinking for Yourself, Robin Reames, one of the world's leading scholars of rhetoric, argues that it's high time to bring it back. Drawing on examples ranging from the Sophist...