rosalind p. walter. barbara hope zuckerberg. corporate funding is provided by mutual of america-- designing customized individual and group retirement products. that's why we're your retirement company. additional support has been provided by: d by the corporation f public broadcasting, and by contributions to your pbs station from viewers like you. thank you. som the tisch wndios at lincoln center in new york, hari sreenivasan. >> sreenivasan: good evening and thank you for joining us. the it ranian governmnounced today that it will enrich uranium past levels agreed under the 2015 nuclear deal. they say international inspectors will have def proof of this tomorrow, and the country expects to continue going st limits every 60 days until they receive relief from economic sanctions. uranium can be enriched for clear power, or with far more refinement, for nuclear weapons. the united states withdrew from the nuclear deal a year ago, but has exerted pressure on other signatories to not buy oil from iran which has had severe effects

rosalind p. walter. barbara hope zuckerberg. corporate funding is provided by mutual of america-- designing customized individual and group retireme products. that's why we're your retirement company. additional support has been provided by: and by the corporation for publ contributions to your pbs station othank you.like you. from the tisch wnet studios at lincoln center in new york, hari sreenivasan. >> sreenivasan: good evening, and thanks for joining us. another major earthquake struck southern california last night, th one registering 7.1. it was 11 times more powerful than the 6.4 earthquake on theu foth of july. >> oh my god! >> sreenivasan: the epicenter of this earthqujae was in the desert near the city of ridgecrest, not far from the center of thursday's earthquake. seismologists say the two were along the same fault. as aip result, there were mu small fires and power outages last night, but today, the kern county fire chief said there were no major injuries or fatalities reported. the shaking could be felt as far away

rosalind p. walter. barbara hope zuckerberg. corporate funding is provided by mutual of america-- designing customized individual and group retirement products. that's why we're your retirement company. additional support has been provided by: and by the corporation for public broadcasting, and by contributions to your pbs station from viewers like you. thank you. from the tisch wnet studios at wlincoln center in rk, hari sreenivasan. >> sreenivasan: good evening, and thanks for joining us. barry brought its heavy rain to veuisiana today as it move slowly out of the gulf of mexico and on land, briefly becoming a hurricane before turning back into a tropical storm. the storm's winds reached 75 miles an hour, making it a catery one and the first named hurricane of 2019. it was downgraded to a tropical storm within hours, as its wind speeds dropped after making landfall west of new orleans. but, it was the rain, not the wind speeds, that caused evacuations and preparations for days of possible flooding. wat

rosalind p. walter. barbara hope zuckerberg. corporate funding is provided by mutual of america-- designing custized individual and group retirement products. that's why we're your retirement company. additional support has been provided by: and by the corporation for public broadcastcog, and by ributions to your pbs station from viewers like you. thank y.ou from the tisch wnet studios at hari sreenivasan.iv >> srean: good evening and thanks for joining us this saturday july 20. i'm ha sreenivasan. 50 years ago on this very day was the apollo eleven moon cinding, so tonight we're bringing you a s program from the newly restored apollo control room at th johnson space center in houston, texas. >> we choose to go to the moon! >> sreenivasan: it was a goal president john f. kennedy set years -mbefore the histoing mission landed the first two humans on the surface of the moon. an estimated 650 million people watcd the televised event as u.s. astronaut neil armstrong pronounced the now famous phra: >> that's one small step for man, o

rosalind p. walter. barbara hope zuckerberg. corporate funding is provided by mutual of america-- designing customized individual and group retirement procts. that's why we're your retirement company. ditional support has been provided by: and by the corporation for public broadcasting, and by contributions to your pbs station from viewers like you. thanu.k from the tisch wnet studios at lincoln center in new york, hari sreenivasan. ivasan: good evening and thanks for joining us. the heat wave sweeping much of the central easteru.s. is near over. a cold front is forecast to bring rain and lower teiteratures and humidity a moves from the great plains to the east coast by tomorrow night at washington dulles airport this weekend, united airlines workers were monitored to make sure tkehey cool as the temperature reached the high 90's in high humidity. >> we hohave a number of m that we use to prevent heat exhaustion. so we have cooling stations strategically placed around the terminal with gatorade water and ice. >> sreenivasan: a o

rosalind p. walter. barbara hope zuckerberg. corporate funding isrovided

rosalind p. walter, in memory of george o'neil. barbara hope zuckerberg. corporate fundinis provided by mutual of america-- designing customized individual and group retirement products. that's why we're your retirement company. additional support has been provided by: and by the corporation for publicroadcasting. a private corporation funded by the american people. and by contributions to your pbs station from viewers like yo thank you. from the tisch wnet studios at lincoln center in new york, hari sreenivasan. >> senivasan: good evening a d anks for joining us. dan coats is expec resign. the former congress member and senator was tapped to head up the d.n.i. office in 2017 by then president-elect donald trump. since then, coats and the president have often clashedsi over the rinvestigation and trump's attacks on the u.s. intelligence community. in his place, the president is expected to nominate republican congress member john ratcliffe of texas, a staunch supporter of the president. in puerto rico, wanda vazquez, the woman set to replace governor ricar

rosalind p. walter. barbara hope zuckerberg. corporate funding isrovided by mutual of america-- designing customized individual and group retirement products. that's why we're your retiment company. additional support has been provided by: and by the corporation for public broadcasting, and by contributions to your pbs station from viewers like you. thank you. from the tisch wnet studios at lincoln center in new york, hari sreenivasan. >> sreenivasan: good evening and thanks for joining us. president trump took a history- making step onto north korean territory today and announced that talks to end the isolated, dictator-led, communist country's nuclear program would resume without any concessions from north korea. mr. p was the first sitting u.s. president to cross the demilitarized zone marking the border between north and south korea. >> ( translated ): good to see you again. >> sreenivasan: through an interpreter, north korea's leader kim jong un greeted mr. trumed saying, "i never expect to meet you at this place." ( camera

rosalind p. walter. barbara hope zuckerberg. corporate funding is provided by mutual of america-- g customized individual and group retirement products. that's why we're your retirement company. additional support has been provided by: and by the corporaon for public broadcasting, and by contributions to your pbs station from viewers like you. thank you. be more. pbs. masters: long before sandy koufax threw dodger stadium's e first pitch and even befe first residents moved into chavez ravine, there were the byelysian hills. raised u tectonic forces and carved intoh deep ravines bancient precursor of the l.a. river, these hills have meant manyny things to eople. thousands of years ago, they were a refuge from floods for the regi's native tongva indians. later, they were a source of timber for the pobladores of los angeles then a source of quarried stones soon after the city became american. in this episode, "lost l.a." explores the various waysr southecalifornia's inhabitants have used the hills around dodger stadium. we'llk lt a