rosalind p. walter. barbara hope zuckerberg. charles rosenblum. we try to live in the moment,ot toiss what's right in front of us. at mutual of america, we believe taking care of tomorrop can ou make the most of today. mutual of america financial group, retirement services and investments. additional sport has been provided by: and by the corporation for vapublic broadcasting, a p corporation funded by the american people. nand by contributo your pbs statiofrom viewers like you. thank you. ch from the tnet studios at lincoln center in new york, hari sreenivasan >> sreenivasan: good evening and thank you for joining us. the u.s. government is preparing to evacuate about 400 americans tomorrow night from the "diamond princess" cruise ship, quarantined at a japanese port for the past ten days. those passengers will have to spend another two weeks in quarantine when they return to the u.s. so far, 285 people on board the ship have tested positive for the virus and were sent to japanese hospitals. today, malaysian health authorities diagnosed an 83- ye

rosalind p. walter. barbara hope zuckerberg. charles rosenblum.ve we try to n the moment, to not miss what's right in front of us. at mutl of america, we believe taking care of tomorrow can help you make the most of today. mutual of era financial group, retirement services and investments. additional support has been provided by: and by the corporation for public broadcasting, a private corporation funded by the american people. and by ctributions to your pbs station from viewers like you. thank you. from the tisch wnet studios at lin center in new york, hari sreenivasan. od >> sreenivasan: vening, and thanks for joining us. the nevada democratic caucuses are today, the third ctest in the presidential nomination process. at ses throughout the state, registered democrats linedp in person this afternoon. their choices will be combined m wie than 70,000 early voters who cast paper ballots with their top three to five candidates. senator bernie sanders, the party's front-runner in many polls, campaigned last night in las vegas, hopi

rosalind p. walter. barbara hope zuckerberg. charles rosenblum. we try to live in the moment, to not miss what's right in front of us. atutual of america, we believe taking care of tomorrow can help you make the most of today. mutual of america financial group, retirement serves and investments. >> when it comes to wireless, consumer cellular gives its customers the choice. and our u.s.-based customer service team is on-hand to help. to learn more, go to www.consumerceular.tv.al additiupport has been provided by: fand by the corporati public broadcasting, a private corporation funded by the american people. and by contributions to your pbs station from viewers like you. thank you. froetm the tisch tudios at lincoln center in new york, hari sreenivasan. >> sreenivasan: good evening and thanks for joining us. vermont senator bernie sanders celebrated his win in the nevada democratic caucuses today. sanders captured 46% of the vote with more than 60% of precincts reporting by this afternoon. at a rally in texas last night, sanders gave credit to supp

rosalind p. walter. barbara hope zuckerberg. charles rosenblum. we try to live in ntthe mome to not miss what's right in front of us. at mutual of america, we believe taking care of tomorrow can help y make the most of today. tgroup, retiremrvices andial investments. additional support has been provided by: and by the corporation for public broadcasting, a private rporation funded by the american people. and by contributions to your pbs station from viewers like you. thank you. from the tisch wnet studios at lincoln center inew york, hari sreenivasan. >> sreenivasan: good evening, and thanks for joining us. most of the democratic prsidential candidates are back on the road today, crisscrossing new hampshire after a debate last n seven of the 11 candidates still in the race took the stage for two a a half hours, turning up the heat on each other with a focus on the frontrunners from the iowa caucuses-- senator bernie sanders and former south bend, indiana, mayor pete former vice president joe biden seemed to concede he will lose in tuesday's primar

rosalind p. walter. barbara hope zuckerberg. charles rosenblum. we try to live in the moment, to not miss what's right in front of us. at mutual of america, we believe taking care of tomorrow can help you make the most of mutual of america financial group, retirement services and investments. >> when it comes tless, consumer cellular gives its customers the choice. and our u.s.-based customer service team is on-hand to help. to learn more, go to www.consumercellular.t additional support has been provided by: oand by the corporaor public broadcasting, a private corporation funded by the american people. and by contributions to your pbs station from viewers like you. thank you. from the tisch wnet studios at lincoln centern new york, hari sreenivasan. >> sreenivasan: good evening and thanks for joining us. the senate impeachme trial of president donald trump is nearing its end. >> the motion is not agreed to. >> sreenivasan: a narrow 51-49 vote against calling witnees or adding new documents yesterday set the stage for what is expected to be a party

rosalind p. walter. barbara hope zuckerberg. charles rosewenblum.in the moment, to not miss what's right in front of uat utual of america, we believe taking care of tomorrow can help you make the most of today. mutual of america financial group, retirement services and investments. additional support has been provided by: and by the cporation for puicroadcasting, a private corporation funded by the american people. and by contributions to your pbs station from viewers like you. thank you. you're watching pbs. e? chrie? e e? the e? e e? the the e? e e? the the e? e e? the the screen. the the screen. e e? the the screen. the the screen. e e? the the screen. the the screen. e e? the the screen.n. the tco the scr co the screen. co the screen. co the screen. co the screen. co the screen. co co co co co co co co

rosalind p. walter. barbara hope zuckerberg.ch les rosenblum. in the moment, to not miss what's right in front of us. at mutual of america, we believe taking care of tomorrow can help you make the most of today. mutual of america financial group, retirement services and investments. ee additional support has provided by: and by the corporation for public broadcasting, a private corporation funded by the american people. and by contribions to your pbs station from viewers like you. thank you. yore watching pbs. this program was made posstrle in part by conutions to your pbs station from viewers like you. thank you. - you know, the fundamental of the ide that the adult brain is set in stone is the common saying that you can't teach an old dog new tricks. bufact, you can. the adult brain, again, at the ripe old age, in their 40s, 50s, 60s, even beyond, can change its structure and function in a significant way. - everyone i know who's getting older and forgets things makes jokes about having senior moments. but i think deep dowinside,

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