An interview with Zazie Todd, the author of a wonderful book about dogs. I recently received my long-awaited copy of Dr. Zazie Todd's new book, Wag: The Science of Making Your Dog Happy. Todd is a fellow Psychology Today writer, positive dog trainer, and social psychologist. Having long followed Todd via her Companion Animal Psychology blog, I knew I would really like Wag, and indeed I did. I was thrilled she could...