A New Home for My Writing posted on 2026-01-30
I’m grateful you have been reading my work here, and I’m honored that so many of you around the world have viewed or downloaded educational materials from bronchoscopy.org in support of our shared educational mission. I will continue to add to this website, and to post on Colt’s Corner. For some time now, however, I’ve been thinking about [Read More]
A Final Note from Colt’s Corner posted on 2026-05-05
Dear Friends, Over the past years, you chose to receive these brief reflections through Colt’s Corner. I have always been mindful that your attention is not casual—it is given, and you have generously subscribed to Colt’s Corner with interest and enthusiasm. I’ve decided now to bring this work into a single, more deliberate space on Substack. [Read More]
Judgment, Identity, and the Age of Systems posted on 2026-04-25
Medicine is no longer defined solely by what physicians can do, but by how they assume responsibility for decisions made within increasingly structured, technology-driven systems. As diagnostic pathways, algorithms, and artificial intelligence begin to organize clinical decisions in advance, the physician no longer stands outside the system, but operates within it. What can be done [Read More]
Steps to More: From Space to Medicine posted on 2026-04-18
On April 10, the child in me—now seventy years old—was stirred back to life as I watched a space capsule descend into the Pacific Ocean. Decades earlier, I had watched another moment unfold on a flickering black-and-white television in a Washington hotel room as Neil Armstrong stepped onto the surface of the Moon. What I [Read More]
Who is the Best? posted on 2026-04-06
Patients often ask a question that seems simple but resists a clear answer: Who is the best doctor for me? Even if transparent outcomes data were widely available, the answer would remain uncertain. Because excellence in medicine is not confined to what can be measured. In the end, what patients are really asking is something [Read More]
The Disease We Romanticized—Then Forgot posted on 2026-03-28
There is a particular stillness in the faces of Amedeo Modigliani’s portraits. Elongated and instantly recognizable by their hollowed or pale blue eyes, with heads tilted like flowers resting on thin, swan-like necks, they now grace the walls of the world’s great museums. Many carry an unspoken fragility—a sense of life both vivid and already [Read More]