John Wilkerson is a Washington correspondent for STAT who writes about the politics of health care. He is also the author of the twice-weekly D.C. Diagnosis newsletter . Diagnosis, STAT’s twice-weekly newsletter about the politics and policy of health and medicine. I’d call it a xeet-down, but I can’t tell who won this heated exchange on X between Gavin Newsom and Dr. Oz over the Medicare boss’ video about health care fraud in L.A.