DORIAN S. ABBOT AND IVAN MARINOVIC , PROFESSORS Students sit on a bench in front of the library at the University of South Carolina on August 10, 2020, in Columbia, South Carolina (above). SEAN RAYFORD/GETTY IMAGES American universities are undergoing a profound transformation that threatens to derail their primary mission: the production and dissemination of knowledge. The new regime is titled “Diversity, Equity, and Inclusion” or DEI, and is enforced by a large bureaucracy of administrators. Nearly every decision taken on campus, from admissions, to faculty hiring, to course content, to teaching…