there is a philosopher named john rawls. he had a huge impact on many people, whether positive or negative to his arguments. he is a candidate. there are many things that he said that i do not agree with. >> is he alive? >> no. he died a number of years ago. he was a gentle and humble person and that had an impact on me. a youngster said to him, after some conference, that he was wrong on points. i'm sure that i was so naÏve and that the objection i had have been raised to him 700 times. he countered it, and had a devastatingly convincing response. he then said, "i take your point." he said it without any condescension. he treated me as an equal. that had an impact. >> what did he write or say it had an impact on you? >> when this big ideas is, in thinking about what is fair, we should go back to "the original position." we do not know what place we would have rich or poor, male or female, we don't know what our religion is, what will we do from that standpoint of neutrality? that is a powerful idea. whether our parents were