NEJM Interview: Justin Barr on physician leadership in American society and politics over the past 250 years.

Justin Barr is a transplant surgeon at the Ochsner Clinic and a historian. Stephen Morrissey, the interviewer, is the Executive Managing Editor of the Journal. S.H. Podolsky, D.S. Jones, and J. Barr. Declarations of Independence — Physicians and the U.S. Body Politic, 1776–2026. N Engl J Med 2026;395:1-3.