The Friday letter

archive on Substack

Once a week, the version worth keeping: the week's developments, why they matter, and specific recommendations. It goes to subscribers by email on Friday mornings and lands here the same day.

  • Sept 19 to 25, 2026Sign here

    Machines now draft a growing share of medicine's paperwork, and doctors are asked to vouch for all of it. They should not sign on the present terms.

  • Sept 12 to 18, 2026Priced before proven

    Medicare is deciding what to pay for AI care before anyone knows how well it works. Doctors should fight over the terms, not the technology.