Jan. 21 (Bloomberg) — Last Wednesday, Scott Gottlieb and I debated Jonathan Chait and Douglas Kamerow on this proposition: "Resolved: Obamacare Is Now Beyond Rescue." I was feeling a little trepid, for three reasons: First, I've never done any formal debate; second, the resolution gave the "for" side a built-in handicap, as the "against" side just had to prove that Obamacare might not be completely beyond rescue; and third, we were debating on the Upper West Side. Now, I grew up on the Upper West Side and love it dearly. But for this particular resolution, it's about the unfriendliest territory this side of Pyongyang.

Nonetheless, I greatly enjoyed the debate. I'm not ashamed to admit that the other side had a lot of powerful moments. Kamerow, a doctor who is also a former assistant surgeon general, made good points about the problems with the previous status quo. In the other seat, Chait was as passionate, witty and well-reasoned in his arguments as ever. (You can read his account of the debate here.) Given the various difficulties, we went in assuming that we would lose, so we were pretty surprised and pleased when we won.

What was the winning argument? We argued that the Patient Protection and Affordable Care Act is an unstable program that doesn't deliver what was expected. For a lot of people, that hardly needs proving, given all the recent technical and legal gyrations. But for others, it does, and because most of them weren't at the debate, let me elaborate. Scott spoke eloquently about the ways in which narrow networks and the focus on Medicaid are going to deliver an unacceptable quality of care. I talked about why this, among other things, makes the system so unstable.