George Lakoff is Distinguished Professor of Cognitive Science and Linguistics Emeritus at the University of California at Berkeley. His most recent book is The All New Don't Think of an Elephant! The third edition of Moral Politics will be published in September in time for the 2016 election.
The deeper truth about unions is that they don't just create and maintain rights for workers; they work for and create crucial rights in society as a whole. Unions created weekends, the eight-hour workday, and health benefits.