you went down to new york and became a prosecutor with a legendary prosecutor here, morgenthau. do you think people are cut out to be prosecutors? >> oh, what an interesting question! there are some people and i have some friends who didn't choose prosecutorial work who chose defense work because they didn't feel comfortable in that role. so there are some people who are more comfortable in a different role. but as i point out in my book, we're all doing the work of justice. whatever side you're on you are fulfilling an important need in our judicial system. there are prosecutors who represent the society and there are defense attorneys who represent the ideals of this society. which is putting prosecutors to the test. can you really prove your case? and you need both to make this system a fair one. >> rose: so then you went into private practice. >> yes. and loved that, too. >> rose: were you tough? my friend scott pelley reminded us of what one person said about you. let's run that. roll tape. here's scott pelley, my colleague at cbs with the associate justice. here it is. >>