Raja-Elie Abdulnour is the Chief Clinical Innovation Officer at NEJM Group and an associate physician in the Pulmonary and Critical Care Medicine Division at Brigham and Women’s Hospital. Stephen Morrissey, the interviewer, is the Executive Managing Editor of the Journal. A. Sikora, L.A. Celi, and R.-E.E. Abdulnour. Can AI Say “I Don’t Know”? N Engl J Med 2026;