. >> guest: have you read shuman's report? they would quickly go to cardiopulmonary death, correct? that is a very. >> host: it depends how they are managed in the hospital. .. >> guest: you go directly to your heart-stopping. >> host: okay, there's variation in time -- >> guest: variation? twenty years. >> host: what about the quality of life? just noting that was not something, and some of the folks who reviewed the book noticed, i mean, i know you can't cover everything in a book, i appreciate that, but what about the quality of life? even if you are brain dead and you survive, let's say, 20 years on a respirator, i mean, that's an ethical question, again, about when one disconnects that. but, um, there is a quality of life dimension, and that's something that wondered if you had comments on it because it's not that much in the book. >> guest: there's nothing. i don't think there's anything on it. it wasn't my concern. i was trying to answer this question, when is a person dead. not should they be kept alive forever. i wasn't making any moral judgments on whether they should be k