There's an immense amount of what i would call tinkering. A lot of this is equivalent to what we talked about with mat ridley, when we talked about innovation. And its incremental advances, incrementa a hope, hope to have incrimental advances, and it's going down dead hens. These guys that they spent years, they spend literally years on an approach that may not work. It's admirable.
In the race for a COVID vaccine, how did a couple of companies who had never produced a successful vaccine make it to the finish line so quickly? Gregory Zuckerman talks about his book, A Shot to Save the World, with EconTalk's Russ Roberts about the daring, deranged, and damaged visionaries behind one of science and medicine's great success stories.