Science vs. medical bureaucracy
David Leonhardt writes: For the 15 million Americans who have received the Johnson & Johnson Covid vaccine, the confusing messages from the federal government just keep coming. An F.D.A. advisory panel is scheduled to vote today on whether J. & J. recipients should receive a booster shot. But the panel is not likely to vote on what seems to be the most relevant question: Should the booster shot come from one of the other vaccines — Pfizer’s or Moderna’s, which…