the cheryl and philip milstein bernard and irene schwartz. the cheryl and philip milstein family. barbara hope zuckerberg. charles rosenblu we try to live in the moment, to notiss what's right in front of us. at mutual of america, we believe taking care of tomorrow can help you make e most of today. mutual of america financial igroup, rent services and investments. additional support has bee provided by: >> consumer cellular. and by and by the corporation for public broadcasting, a private ncorporation by the american people. and by contributions to your station fromiewers lik you. thank you. >> sreenivasan: good evening, and th it is the fourth of july-- independence day-- 244 years after the signing of the declaratn of independence. instd of parades and prinics, many ans are staying home, as a precaution during the coronavirus pandemic. others are protestinagainst racial inequality and police brutality. ♪ ♪ despite warnings not to gather in large groups, and to wear chface masks, the presidene to have a rally and fireworks display at mount rushmore in south dakota last night

the cheryl and philip milstein family. 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 beweve taking care of tomor can help you make the most of today. mutual of erica financial group, retirement services and vestments. >> for 25 years, consumer cellular has been offeri-c tract wireless plans, designed to help people do more of what they like. our u.s.-based customer servic team can help find a plan that fits you. to learn more, visit www.consumercellular.tv. additionalupport has been provid by: and by: the corporation for public broadcasting, a private corporatn funded by the american people. and by contributions tyour pbs station from viewers like you. thank you. >> sreenivasan: good evening and thanks for joining us. as new coronavirus cases continue to increase in dozens of stes this weekend, opening decisions are being reversed and in some parts of the country officials are urging people to stay at home again. there were more than 60,000 new confird cases yesterday accor

th abernard and denise schwartz.yl the chnd philip milstein ucamily. barbara hoperberg. charles ronblum. we try to live in the moment,s to notat's right in front of us. at mutual of america, we believe taking care of tomrow can help you make e most of today. mutual of america financial group, retirement services and investments. additional support has been provided by: consumer cellular. and by: and by the corporation for public broadcasting, a private corporation funded by the american people. and by contributions to your ikpbs station from viewers you. thank you. >> sreenivasan: good evening, and thank you for joining us. s the unittes remains the center of the coronavirus pandemic, with new confirmed infections near record highs. there were more than 72,000 confirmed new infections yesterday, according to the centers for disease control and ilevention. on average, the number of positive tests has doubled over the last month. there were more than 1,100 deaths reported in the u.s. on friday for the fourth consecutive day. in total, more than 145,000 people have died sin

the cheryl and philip milstein family. searbara hope zuckerberg. charles rolum. we try to live in the moment, to not miss what's right in front of us. at mual of america, we believe taking care of tomorrow ocan helpake the most of today. mutual of america financial group, retirement services and investments. >> for 25 years, consumer cellular has been offering no-contract wireless plans, designed t people do more of what they like. our u.s.-based customer service team can help find a plan that fits you. to learn more, visit www.consumercellular.tv. ditional support has been provided by: and by the corporation for public broadcasting, private corporation funded by the american people. nand by contributo your pbs station from viewers like you. thank you. >> sreenivasan: good evening and thank y for joining us. protests in the pacific northwest are continuing this weekend over racial injusti and t presence of federal agents sent by the trump administration. in portland, thousands gathered last night near the federal courthouse, where federal agents have engaged with

the cheryl and philip milstein family. barbara hope zuckerberg. charles rosenblu we try to live in the moment, to not miss what's right in front ofs. 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. additional support has been provided by: consumer cellular. and by: and by the corporation f public broadcasting, a private corporation funded by thee. american peo utions to your pbs station from viewers like you. thank you. you're watching pbs. maria shriver: perhaps the greatest mystery... is the human brain. in only the past few decades, scientists have made incredible leaps in our understanding. and we are just now raveling the secret of how the brain can change throughout our lives, leading to incredible transformation. merzenich: we have this new understanding that the person that is within us is actually a product of change that occurs within our lifetime. this is new science. it's one of the greadiscov, because it has the potent

the cheryl and philip milstein family. barbara hope zuckerberg. charles rosenblum. we try to live in the moment, to not miss what's right in front of us.

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the cheryl and philip milstein faly. 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 today. mutual of america financial group, retirement services and vestments. additional support has been provided by: consumer cellular. and by: and by the corporation for vapublic broadcasting, a p corporation funded by the american people. urand contributions to pbs station from viewers like you. thank you. >> sreenivasan: good evening, and thanks for joining us. john lewis, one of theeadersof he civil rights movement and a member of congress for more than 33 years, died yesterday of pancreatic cancer. he was 80 years old. lewis was diagnosed with sge- four canr last december but continued to work, to vote in the house of representatives and to speak out as the black lives matter movement and protests began this spring. in early june, lewis visited the newly-named black lives matter plaza in washington, d.c. >> people in d.c. a

the cheryl and philip milstein family. barbara hope zuckerberg.

the cheryl and philip milstein family. barbara hope zuckerberg.ro charlenblum. we try to live in the moment, to not miss what's right in ont of us. at mutual of america, we of tomorrowking car cahelp you make the most of today. tgroup, retiremrvices andial investments. >> for 25 years, consumer cellular's goal has been to provide wireless service that helps people communicate and connect. we offer variety of no-contract plans, and our u.s.-based customer service team can help find one that fits you. to learn more, visit www.consumercellular.tv. additional support has been provided by: and by the corporation for public broadcasting, a private corporation funded by the american people. yo and by contributions t pbs station from viewers like you. thank you. you're watching pbs. - [announcer] explore new worlds and new ideas throh programs like this. made available for everyone. through contribustons to your pbs ation from viewers like you. thank you. - [narrator] don't let chronic pain control you and stop you from doing the things you love to do. lee albert is a n