sara lawrence-lightfoot who says there is passion and adventure after the age of 50, if you're open to learning and change. >> all of us at this point, to some degree i think are on a search for meaningfulness, for purposefulness. we want to find what this next 25 years, this in fact penultimate chapter of our life, is going to be about. >> moyers: and a photographer turns our mass consumption into a thing of beauty and a warning about the fate of the earth. >> this one is called plastic bottles, and it depicts two million plastic bottles, the number we use in the united states every five minutes. stay tuned. captioning sponsored by public affairs television >> moyers: welcome to the journal. this is that time of year when public television asks you to go to your phone or computer and make a pledge to this station. more than ever, it can use your help in these very difficult economic times. this week, as we often do during pledge drives, by popular request we're bringing back one of your favorite broadcasts, this one with a remarkable scholar and story teller who has some important ins

thanks a million and one. >> the interview with sara- lawrence lightfoot was inspiring and captivating. her observations about the inquiring mind are what true leadership is all about. the willingness to listen to others, to be open to persuasion, to invite others into our conversations, lay the foundations for an ethical and healthy democracy. >> at 72, i, too, am searching for a meaningful life. but i plan on many more good years. why say the third chapter ends at 75? the desire for a meaningful life, through personal challenges or giving of ones self, are always with us. >> moyers: keep telling us about what you think of the "journal" by mail, e-mail, or on the blog at pbs.org, and we'll keep reading. >> we now return to bill moyers and wendell potter in the studio. >> moyers: why is public insurance, a public option, so fiercely opposed by the industry? >> the industry doesn't want to have any competitor. in fact, over the course of th last few years, it has been shrinking the number of competitors through a lot of acquisitions and mergers. so, first of all, they don't want any mor

education ppens everywhere. >> moyers: sara lawrence- lightfoot s now been on the harvard facultfor 37 years. upon her retirement, sheill become the first afran- american wom in the history of that university to have endowed profsorship named in r honor. ong her nine books, this is e of my favorites, "balm in gilead," about herother, dr. margaret lrence, the pioneering cld psychiatrist. sa lawrence-lightfoot, welcome to the journal. >> wonderf to be here. moyers: how time flies. >> y. that'srue. >> mers: i can't believe it's be over 21 years since i did last intview you. you were writing then about ur mother, who is now how old? >> 94 yearold. >> moyers: and here you e, writing now, about aging. what are you trying toell me? >> well, whahappened was several years ago, iegan to hear at almost every cocktl party, dner party, professial conference and meeting, someone wouldean into me, and sort osay what i began to cl confessional moments. sothing about what they were truly exted about, passionate about, an adventure th they were on that was n for them, and i would lien. their voice held