And he did all of his initial human testing outside of the US--mainly in the USSR and Eastern Europe. I think the idea that the cost of testing has changed is s

And he did all of his initial human testing outside of the US--mainly in the USSR and Eastern Europe. I think the idea that the cost of testing has changed is still valid. What I meant--but articulated poorly--was that the children selected for the tests were from a school for the differently abled because they were, at the time, seen as less valuable. That idea is no longer acceptable.