Delayed feedback on a controversial talk--and some positive signals of potential for change

One feature of giving talks to unfamiliar audiences is that you only get noisy feedback on how your talk was received. This past June, I gave the Starzl Lecture at the American Transplant Congress in Boston . (The ATC is jointly organized by the two big American transplant societies, the AST and the ASTS,*) I spoke to an audience of about 1500 people (just a guess, but I could see some empty seats…