Meet Clay Routledge, a social psychologist and Professor of Psychology at North Dakota State University. Professor Routledge studies such things as intergroup relations and how people create meaning in their lives. He has over 90 scholarly papers and has authored the book “Nostalgia: A Psychological Resource.” I discovered Professor Routledge on Twitter, where he tweets interesting observations about the state of orthodoxy on campus and in the broader culture. I thought it would be useful to capture some of his insights in a more in-depth form — what follows is an interview with Professor Routledge for Quillette. Hi Clay, thanks for chatting to Quillette. Before we get into other topics, what do you research and how did you become interested in that area? I mainly study psychological motives. And much of my work is on the meaning motive. A considerable amount of empirical research indicates that perceiving one’s life as meaningful is important for psychological, social, and physical health. People who feel meaningful are happier, more motivated, more productive, less vulnerable to mental illness, better able to cope with …