captioning sponsored by wnet on >> sreenivasan: his edition for sunday, april 15: ongoing reactions to the missile strikes in syria. washington readies itself for james comey's book tour. and, a photographer's lepbcy. next on newshour weekend.ou >> "pbs newweekend" is made possible by: aernard and irene schwartz. the cher philip milstein family. sue and edgar wachenheim, iii. dr. p. roy velos and diana t. vagelos.j. thb. foundation. the anderson family fund rosalind p. walter barbara hope zuckerberg. corporate funding is provided by mutual of america-- designing customized individual and group retirent products. at's why we're your retirement company. >> additional support has been

provided by: d 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 yo, hari sreenivasan. >> sreen thank you for joining us. less than two days after targeted airstrikes on syria, the united states is preparing to impose economic sanctions against supporters of syrian chemical weapons programs. syria is conducting attacks on rebel forces, and the u.s. ambassador to the united nations says there is a clear message: >> i think one thing that we a hoad got the message on is the international community will noallow chemical weapons to come back into our everyday life. and the fact that he was making this more normal and that russia was covering it up all of that new economic sanctions will target russia and companies thae

are dealing wiipment related to syria's chemical -linked.ia, e opposition white helmets group reported that the syrian regime renewed air raids in rebel-held areas. and syrian state mediaeported that president bashar al-assad met with russian officials in damascus. assd said friday's air stri were accompanied by a "campaign ofisdirection and lies" against syria and russia, and the two countries are continuing to work together on fighting terrorism and economic cooperation. a statement from the kremlin said that russian president vladimir putin and iran's president hassan rouhani had a telephone conversation about thn syria. u puti n stressed that if such continue, then "this will inevitably lead to chaos in international relations." and president trump had a new comment about syria today, fending his use of the term" itssion accomplished" tweeting"" s such a great military term, it should be brought back. use often!" the president also used twitter

on another subject-- his disdain for former f.b.i. director james comey, whose book "a higher loeklty" comes out this comey's first interview will air tonight on abc.ed in a clip reley abc, comey addressed the question of whether his assumption that ng to winlinton was g the 2016 election factored into his decision tsepublicly dischat the f.b.i. was reviewing emails in connection to the cnton probe. >> i don't remember consciously thinking about that, but it must have been becae i was operating in a world where hillary clinton was going to beat donald trump, and so i'm sure that it was a factor. like i said, i don't remember spelling it out,veut it had to een, that she's going to be elected president and if i hide this from the american people, she'll be illegitimate ene moment she's elected. >> sasan: mr. trump attacked comey for his handling of the clinton investigation," in other words, he was mang decisions based on the fact that he thoug she was going to win, and he wanted a job. slimeball!" in another tweet, mr. trump

refuted comey's claim that the president asked for loyalty in a private dinner meeting, tweeting: "r asked comey for personal loyalty. i hardly even knew this guy. just another of his many lies. his "memos" are self serving and fake!" comey, who served under president trump, as well as under obama and george w. bush, tweeted: "three presidents are in my book: two help illustrate the values at the heart of ethical leadership; one serves as a counterpoint." from the missile strikes inhe syria toorthcoming book from james comey, to legal troubles for hisnal attorney michael cohen, president trump has had yet another complicated we joining me from santa barbara for some perspective on these matters is newshouiaweekend specl correspondent jeff greenfld. >> jeff, let's start with the air strierk in syria. win for the president? >> when the president uses force initial reaction is almost always favorable. what happens later is where the test comes in.

you'lll say w you punished syria for the use of chemical weapon now wha do you still mean to take american forces or the of syria as you said a week ago? you have a very prominent neoconservative, neil cohn, who said you weren't willing to confront putin, you should circulate done much mor have a feeling that the half life of these strikes assuming it's a o-off is fairly limited. as you alluded to in the introduction, there are manyr otsues on the stable that's going to affect the president's broofl ratings and one of them is this. >> sreenivasan: and the comey interview thatstarts tonight how significant is it? >> the allegedly eyebrow raising statements that comey will make on the interview later tonight, wh's interesting is that his appearance and his voices his words which clearly are aimed mostly at trump have not

entirely soothed the feelings of democrats who still point to what he didn the days just before the election announcing the reopening of investigations into hillary clinton answer e-mail. they still hold him responsible for the loss of that.a electi in fact it has been sucked that that statement, i saw from theolls that hillary clinton was likely to win and i didn't want her administrati to come under power under a cloud to engage th political consequences of his action, there have been some fairlyac strong push against him and not just from the trump supporters who basically want comey sent to devil's island for rest of his. life >> sreenivasan: another think that happened this week, the white house ask more concerned about the raid on layer michael cohen's office than anything of the special counsel, why? >> because for t years, he's been the president's go to

rson for all kinds of personal stuff, to get the stuff that the feds go the from his office they had to convince justice officials and a magistrate that there was criminal conduct. in gatherih up te correspondence and the tapes and the lard drives there is now in. the attorney's office years worth of information that could affect trunot just in the russian conclusion case but tire his entire public life. that was supposed to be a red line. the president warned mueller, don't get into this, that is an red e. that's why the temperature on this issue keeps rising. any time i think it can't getr any hot gets hotter. >> sreenivasan: lots of people are saying, here is the solution, fire mueller, fire rod rosen stein-- rosensteeng rosent

off the of this train. >> don't fire mueller, don't fire rosenstein, it will b suicidal. saying, you know, wha the president and the u.s. attorneys have done everything according to the book lay often. the congressional leadership makes for a really sharp contrast on what they want president to do. >> sreenivasan: newshour special correspondent jen greefnlt, thank you for joining us. >> sreivasan: today marks th fifth anniversary of the boston marathon bombing. family members of victims, survivors, and officials t gatherlay wreaths at the site of the two explosions near the marathon finish line. and people throughout the regiot ipated in volunteer and service events to honor the victims and first responders as part of what is now known as one boston da the 122nd running of the boston marathon takes place tomorrow. eswith 22 salmonella illne reported, a midwest company, rose acre farms, is voluntarily recalling more than 200 million

eggs this weekend. the potentially contaminatedom eggs came farm in north carolina and were sold in nine states in stores and reslturants under le brand names. a complete list is online at the food and drug administration's website, fda.gov.ar ck's c.e.o. kevin johnson is apologizing for the arrest of two african american men waiting in one of the coffee-chain's philadphia stores. he's calling the incident" reprehensible". cell phone video shows police confronting the two men after -1e store manager called 9-1 yesterday. the manager reportedly asked the two unidentified men to leave after they asked to use the restroom but had not purchased anything.tw thmen said they were waiting for a friend and declined to leave. philadelphia's police commissioner richard ross defended the officers. rv they were called there, for a service, and that ice had to do with quelling a disturbance, a disturbance that had to do with trespassing. these officers did absolutely nothing wrong. >> sreenivasan: their friend arived just before the men were handcuffed and taky. both men were held for eight

hours and then released. k sreenivasan: when faceb c.e.o. mark zuckerberg testified before congress this past week there were many unanswered questions, including why users can't always remove data, why and how facebook is tracking non-users of the site, and what the company considers private information. the new york times lead consumer technology writer brian x. chen took a look at what information facebook retained abouhim, and was surprised by what he found. as he put it, in a word:" yikes." he joins me now from san francisco. >> so what did you find? y >> s know, i was expecting this to not be surprising or teresting at all. i don't really use facebook very often. i don't really post very much, i don't click ads. my profile is pretty slim.

when i opened it it kind of just blew up in my face.there's this list of 500 different tvertisers that had my cact forecast. most of those advertisers i had never heard of. there were list of friends that i had deleted over the past 14 years, more than 100 people. the other thing i noticed was mpere was a te log in history and the history of every time i old theoo facapp including which device i used and what day it was and sometimes the location was tiedt t information. so you can see a pretty detailed history of how and when and where was using facebook. >> sreenivasan: what about the l unfriendt? that's a little bizarre. the people you have actively unfriended were still on a list and you couldn't do anything about that? >>es, there were over 100 people i had unfriended and the date i unfriended them. thei t explanation wasy have a feature on this day which is a tool to h people reminisce on past memories.

e reason they put the past memories list, you never want to tack to them or s them again. i find them at odds with mark zuckerberg's statement that anything you delete is deleted for good. >> sreenivasan: how they acquire information on your website, there was a video by one of your colleagues, kevinok reduce that at what you aty that facebook tries to gatheron. let's take olook at that clip. >> what most people don't realiz tis they have wayso track your offline purchases as well, partnership with data brokers that collect information about purchases. for example if you buy a burr right owe with your credit card, these people could know about that purchase, adding to facebookessenger and start showing you ads for indigestion medicine. >> sreenivasan: i don't think

that is something most people recognize, they don't have to necessarily be a facebook user. there is a vault of information collected about them by this company, in adtion to others gathering about us. >> in addition to iormation by facebook, using those tools calledeb trackers which follow your web browsing opportunities, your ip address, your potentially contact information, if you fill out a form andin like that and advertisers are able to use that to build a profile on you. >> sreenivasan: with information that's been revealed in the past couple of weeks or months how should wet be ber facebook users? >> deleting your account. i'm just kidding. there are a number of things you can do to minimize the aunt of information that's collected about you. you can run these web tracker blockers and use browsers that are more safelyoy guardin privacy. like the firefox focus blocker

for example, there is one called disconnect.me is quite tfective. beyot i would probably tweak my privacy settings on facebook to sre as little bit about yourself as you can publicly and keep i mind that anything you upload onto faceok might stay ere forever. because clearly they don't seem to delete things that you remove. >> sreenivasan: we should mention and did you so in your is not alone in doing this. google has a significant vault of iormation on you. >> facebook is just the tip of the iceberg right? google has more timplets and trackersunning across the site than facebook. 75% of tm are running google tracker ads versus 25% for facebook. >> sreenivasan: what is the justification that advertisers are about to give, what does it help them do? >> the simplest explanation is

they help target advertising, good for user and good for the adusiness so i think th're trying to make the best of both reworlds. >> senivasan: all right, brian chen from san francisco joining us tonight. thank you so much. >> thank you for having me. >> sreenivasan: the art of photography has undergone or radical trantion in the last several decades, with traditional film giving way to digital, and sparkling images created and shared in an instant fr phone in your pocket. but there are some photographers who remain convinced that the old ways are worth preserving. one of them is oregon's christopher burkett, who works slowly and patiently to create some of the highest resolution photographs ever made. ewshour weekend special correspondent joanart jennings has our story. >> reporter: from blueberry fields in maine to swirling

veratrum plants in alaska. to a lone cottonwood tree in utah and resplendent leaves at sunset in his native oregon. chstopher burkett has been photographing the american landscape for over four decades. he and his wife ruth have lugged their camera gear across all 50 states. >> what we usually do is we go to a place that los like it s photographic potential. and then we stay there untan we don't sepictures. and that might be half an hour or that might be a week. >> reporter: on this day, that won't be necessary because we're just in their backyard in milwaukie, oregon. burkett is demonstrating his eight-by-ten camera. it's the same type ansel adams favored for his landscape photography. burkett says it provides the ultimate in image quality. >> iis awkward. it's heavy. it's a struggle with depth ofd, fi struggle with wind motion. but if you get an image you really have something really ino depth ork with.

>> reporter: when burkett looks through his lens, he says the world he sees is one of indescribable beauty. >> if you are really trying to work with photography you find out real rapidly that seeing things and photographing them cabe quite different. and in fact, you have an image that is from that viewpoint of the camera is actually highe resolution than you normally experience the world from that seewpoint on that angle. so you have ially a certain element of i can't really call a super realism because it's real but it's more re. than what we normally s >> reporter: he says he wants to make both the physical and the etherealccessible. >> to me, again that's the whole point of doing it is to just not just to present a pretty picture but to present something that shows people sybething that they haven't seen or experienced and something really worthwhile. >> reporter: light and luminosity are critical elements of burkett's work. >> that's what photography is all about is writing with light and when you go up to the print, i want light to come out. you don't have to go find it;

it's coming out. when i'm looking at a scene, i enow what i'm seeing, but look to see where the light is coming fro of light is and many times in photographs what makes things alive are opposite colors illuminating the scene because you get more shape andffore color dientiation. >> reporter: for burkett, photography is not just an artistic, but a spiritual experience that's informed by his religious faith. as a young man he spent seven years as a brother in the eastern orthodox church. >> i would come out of church sometimes after communion service and i would see light in the world you know really truly see light in the world. ndand i knew it was realf it was real then i figured maybe there was some way i could try to photograph that. >> reporter: burkett has also studied meteorology, geology, and functis of the human eye, all c advance his photographi skills.

but capturing the images is just one part of the process. burkett is one of a handful of photographers printing from color transparency film onto a now discontinuedaper called cibachrome. >> and it's the only paper that dwas ever made that had ts in the paper when it was made. the processing takes away all the unwanted dye and you're left with the image itself which is completely stable because there no chemical residue and there's just dyes in the paper. >me> reporter: cibachas first sold in the 1960s. as photography shifted from using analog film to digital onage sensors, many profesl photographers abandoned the technique, but burkett continued to embra it. in 2011, when the company stopped making cibachrome, burkett bought a ten-year supply of the paper. it's amazing that evything is in focus. it's like you're bringing us there. how do you get that depth? you can see the bottom of the water there. >> cibachrome has that depth to

the image where i don't think any other print material would not justt kind o luminosity but it almost seems gysically deep. i've had people lery openings even kind of go like heis to make sure we haven't glued something onop of a print. >> reporter: these days, burkett spdds most of his time focu on printing in his studio. he walked us through the elaboratprocess. one step is called masking. >> we make a black and white negative and this is going to be sandwiched with this and this is going to determine the overall contrast with the print. >> reporter: then he adjusts the color. >> when you get exactly e right color balance, and then even tght opposite colors say in the veins of green on a green leafill start to pop you might say or become more luminous. >> reporter: and that is when you know you've got it? >> and that is when you know you have it. >> reporter: but it's the next step that burkett says is the most crucia >> as light is being projected ponto ter i am withholding light with my dodging tools which is going to darken those ap reas and i have to ke

items moving to get a smooth edge so there is no dvidence of tkening of little bright areas. >> reporter: the process is then reversed with a tool that allows in more light and brightens certain areas of the image. it's an exacting dance, precisely choreographed to a score which burkett arranges specifically for each print. >> you have to plan it out ahead f time where one goes in first, then the other one goes in, while this is part way thern tu move it to the other one, then both of them here and both of them there. >> reporter: how important is timing in this process? >im> it is extremelportant. just in the dodging a half a second difference plus or minus and the print is no good just in one little area. >> reporter: it usuay takes burkett about eight hours to make all adjustments he needs to perfect an image. and when it is finally finished. >> you takthe print like this and taket over here very carefully. >> reporter: burkett is keenly aware that he has a limited supply of cibachrome paper, which degrades over time. so he's racing the clock, trying

torint as many images as h can before the chemicals and paper lose their effectiveness >> i'm still figuring out how inny different images i want to print asof a legacy of my work. and there are many times i'm printing images now and certain sizes and i know that that's the last time i'm going to print thosin that size. so it's kind of a gradual winding down. >> reporte he has enormous respect for the work others create with digital once he runs out of his printing paper, he'll hang i his camera. lso realize there's going to be one day when i leave the dark room and i turn off the lights and that's the lastime i'll be in there, so that's a difficult thing because i love what i do. and going out and photographing is one thing, but spending time bringing the light out of these images to share them with other people is really what it's all about.

>> this is pbs newshour weekend, sunday. >> sreenivasan: in hungary yestery, tens of thousands of protesters demanded a new election after pisrime mr viktor orban won a third term in a landslide victory last week. anti-government protesters say the current electoral rules are unfair, and called for a ballot recount and new electoral system. current electoral rules gave orban's right-wing, popust party a supermajority in hungary's national assembly, even though it won only around 50% of the vote. orban campaigned against migrants and promised significant changes in his next government. hundreds of thousands also protested in barcelona, spain ofday, urging the release catalan pro-independence leaders being held in prison. nine catalan separatists are awaiting trial for their roles in a failed breakaway attempt last year. secessionists lawmakers in the northeastern spanish region held an ad-hoc referendum on

independence last october, defying court orders. protesters say spain is violating the rule of law by imprisoning so-called polil prisoners. spain claims the leaders are not political prisoners because they violated the constitution. and in myanmar, the first rohingya refugees are bein repatriated after months of negotiations. five members of a rohingya family underwent intense scrutiny at one of two reception centers. they were given a form of identification, but not citizenship. the first repatriation comes fospite united nations' warnings that it is not safthe refugees to return home. many as 700,000 muslim rohingyas fled to neighboring bangladesh to escape military led killin, rape, and arson in buddhist-led myaar. in january, myanmar and bangladesh agreed to complete a voluntary repatriation of rohingya refugees within two ar explore best-selling author me's wolitzavorite female-

centric books. visipbs.org/newshour. >> sreenivasan: finally, former first lady barfara bush is in ing health tonight and choosing to remain at home in housn for palliative care. the office of her husband, former president george h.w. bush, releastatement saying that mrs. bush will no longer seek medical care for undisclosed illnesses, and that she "is surrounded by a family she adores." barbara bush is 92 years old. that's all for this edition of pbs newshour weekend. i'm hari sreenivasan. thanks for watching. have a good night. captioning sponsored by wnet captioned by media access group at wgbh access.wgbh.org >>ma pbs newshour weekend i possible by: bernard and irene schwartz. nd philip milstein

family. sue and edgar wachenheim, iii. dr. p. roy vagelos and diana t. j.gelos. thb. foundation. the anderson family fund. rosalind p. walter barbara hope zuckerberg. e corpornding is provided by mutual of america-- designing customized individual group retirement product 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 yostation from viewers lik thank you.

sonoko sakai: well, i grew up in a very small town called kamakura, which is about an hour outside of tokyo. and so i was immersed inja the old world, oln, very artisinal, without even knowing what that word is. they have this craftsmanship. that was the way people lived. you had to know how to work with your hands. and it was an awakening for me as a young child looking at the craftsman'work. and this was every y going to school. all i had to do was turn my head and look into a shop there was an artisan sitting there. and that was the beauty of japan back then. today it'ff