margaret warner joins us from northern iraq, where a humanitarian crisis is unfolding after gains by islamic extremists. and a new york exhibit explores the secrets of genius. next, on pbs newshour weekend. >> pbs newshour weekend is made possible by: corporate funding is provided by mutual of america-- designing customized individual and group retirement products. that's why we are your retirement company. additional support is 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 in lincoln center in new york, hari sreenivasan. >> sreenivasan: good evening. thanks for joining us. attorney general eric holder today ordered federal authorities to perform an independent autopsy of 18-year- old michael brown. the unarmed black youth was killing by a white police officer eight days ago, touching off a wave of clashes between demonstrators and police. overnight, seven people were arrested by police after a small group of protesters defied the midnight to 5:00 a.m. curfew that had

shouldn't be on the front lines but they should help with artillery. >> srennivasan: all right, margaret warner, thanks so much. >> warner: thank you, hari. >> ifill: now, some domestic politics. one of the most closely watched gubernatorial contests this fall will be in florida where current republican governor rick scott and republican-turned-democrat charlie crist both scored big primary wins tuesday night. with his resounding primary victory and a critical party switch, charlie crist moved a step closer to winning back his old job. >> in 70 days, we want to make florida scott-free! >> ifill: that was a shot at current republican governor rick scott, who scored his own big primary win tuesday. >> i cleaned up charlie crist's mess. he left me with a $3.6 billion budget deficit. >> ifill: for crist, the democratic primary win highlights one of the political world's more remarkable transformations. in 2008, crist-- then the state's republican governor-- campaigned for g.o.p presidential nominee john mccain, even making it onto the short-list of vice presidential prospects. but his ties to the g

however, as chief foreign affairs correspondent margaret warner reports tonight from northern iraq, disaffected sunnis and kurds are saying they don't have much hope in the politics emanating from baghdad. >> warner: kurdish peshmerga soldiers greeted the mayor of the long-contested city of kirkuk sunday as he toured a trench built to stop infiltration from the south of the city. how many of these observation posts are there? >> we've built 32 of these and there are another 28 we're building." >> warner: the iraqi military helped protect the city too, it fled the so-called "islamic state's" advance in mid-june. armed forces from the semi- autonomous kurdish regional government took over. the trench around the city funnels all who seek to enter through clawed checkpoints and many outsiders are turned away. it's a metaphor for the mutual distrust that inflicts the country among the shiites, sunnis and the kurds. now that the militants captured one-third of iraq, the pressure is on encouraged by the u.s. with the three fashions to reconcile in the capitol. 12 days ago shiite prime minister nouri a

margaret warner from erbil.nk you and stay safe. >> thank you, judy. >> woodruff: next, with the emmy awards ceremony coming up monday night, we take a look at one the most celebrated shows of the season. hari is back with that. did you ask that question? i read that you're not supposed to ask that. >> you read that? you do studies for prisons? >> sreenivasan: orange is the new black, netflix's most popular original show, follows the story of piper kerman, a white, middle class woman sentenced to 15 years in prison for a drug crime. >> i'm here to surrender. oh, okay. did he look surprised to you? when i said i was here to surrender. didn't he look surprised? >> i didn't notice. he did to me. >> sreenivasan: in 2004, in real life, piper kerman spend st prison in danbury connecticut ct and wrote a book called "orange is the new black." it brought life behind bars for women to light. she advocates for prison reform. she testified at a senate judiciary hearing on solitaire confinement earlier this year. >> there ar

our chief foreign affairs correspondent margaret warner is on another nearby where pershmerga fightersing to hold recently regained ground against the sunni militants. >> warner: 60 miles due east of mosul lies the booming city of irbil, capful to the semi autonomous region of iraqi kurdistan, home to u.s. and foreign companies drawn by its oil wealth and development prospects. office towers rise near high-end car dealerships, all baking in the 115 summer heat of the desert. saving this city from the onslaught of islamic state fighters was one of the two goals president o bomb-- obama cited in announcing u.s. air strikes on august 7th. though the advance of is also known as isis or isil on irbil was halted and rolled back, u.s. air strikes in the area continue. and beneath the bustle of daily life here, there is still a sense of foreboding. >> of course i'm so worried every night when i lie down on my bed. >> warner: for good reason. just 40 miles southwest outside a town, kurdish military units the peshmerga man the front lines against the fundamentalist islamic state forces. the town

tonight, chief foreign affaris correspondent margaret warner takes a close look at these newly internallyplaced persons-- or i.d.ps-- and efforts to contain their suffering. >> warner: the boeing 747 touched down in the afternoon heat of erbil's today, carrying 3,300 united nations relief agency tents-- the first wave of fresh supplies since the u.n. announced last week a heightened level of emergency for northeastern iraq. >> we're not just getting the materials we already have in stock but are bringing them from around the world. >> reporter: the tents will shelter 20,000 people, just a fraction of the estimated 1.25 million iraqis who fled into the kurd, region since the self proclaimed islamic state began its onslowght eight months ago. yesterday a bruting wind ripped through the camp near iraqi-kurdistan's border with syria. this camp was empty two weeks ago, before i.s. attacked members of the minority yazidi religious community in the town of sinjar, and they raced for refuge on sinjar mountain. u.s airstrikes and kurdish forces helped thousands escape to sun-scorched sanctuary her

our chief foreign affairs correspondent margaret warner has more. >> warner: the flares and explosionst rattled gaza overnight quieted as the ceasefire-- which held the most promise for allowing a resolution to the 25-day long crisis-- went into effect at 8:00 a.m. in israel, soldiers rested by their tanks. and in gaza, thousands of residents flooded into the streets, some restocked supplies, others surveyed the damage. but in less than two hours, the cease-fire blew up. israeli defense forces spokesman peter lerner charged hamas broke the truce when militants attacked israeli forces dismantling tunnels inside gaza territory under their control. >> at half past 9:00 this morning, two terrorists came out of a tunnel. one of them detonated himself in a suicide bombing attack, killing two soldiers. another one came out, shooting with an automatic weapon and in the aftermath of that we noticed that we had an officer that had been abducted into the tunnel. indeed we began to pursue this attack, we went to the tunnel. >> woodruff: israel responded quickly with tanks firing toward the souther

margaret warner talks to james dobbins, who just stepped down as the u.s. special representative to the region. >> ifill: plus, remembering the sultry, seductive and glamorous symbol of old hollywood, award- winning actress lauren bacall. together and blow, steve. >> ifill: those are just some of the stories we're covering on tonight's pbs newshour. >> major funding for the pbs newshour has been provided by: ♪ ♪ moving our economy for 160 years. bnsf, the engine that connects us. >> supported by the john d. and catherine t. macarthur foundation. committed to building a more just, verdant and peaceful world. more information at macfound.org >> and with the ongoing support of these institutions. and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. >> woodruff: the united states moved closer today to new moves to rescue thousands of yazidi refugees in northern iraq. they're trapped on a mountain, surrounded by fighters of the islamic state group. the u.s.

. >> ifill: we'll be back with margaret warner for the latest on iraq.but first, it's pledge week on pbs. this break allows your public television station to ask for your support. and that support helps keep programs like >> woodruff: now, to more on iraq and the united states involvement there. i'm joined by our chief foreign affairs correspondent margaret warner who's heading to the country on a reporting trip tonight. >> woodruff: glad to talk to you. so big developments from baghdad this week. >> huge. >> reporter: the announcement of a new prime minister and then late today the surprise word from prime minister maliki that he's stepping down. >> this is second pleasant surprise on the political front they've had in a week. first of all, i'm told they were surprised at how quickly, relatively quickly the shiite parties recognize that maliki had to go and coalesced around somebody else. they really thought it would take longer even though it was a deadline of last sunday. so you had the sistani and grand ayatollah wage in and critical critical -- so t

chief foreign affairs correspondent margaret warner begins our coverage. >> reporter: foreign foods that have lined the shelves of russia's grocery stores will be disappearing. for a year, effective immediately, imports of fruit, vegetables, meat, fish, poultry and dairy are banned from the u.s., european union, australia, canada and norway. all those countries have imposed sanctions penalizing russia, for backing rebels in eastern ukraine. russian prime minister dmitry medvedev said today that moscow is answering in kind. >> ( translated ): all the measures have a solely retaliatory character. we didn't want such a development of events. we sincerely hope that our partners economic pragmatism will prevail over petty political reasons, and they will think, and not try to frighten and limit russia. >> reporter: notwithstanding the kremlin's defiance, president obama argues russia is hurting. he spoke at a washington news conference last night. >> sanctions are working as intended in putting enormous pressure and strain on the russian economy. the economy has ground to a halt. somewhere be

margaret warner talks to james dobbins, who just stepped down as the u.s. special representative to the region. >> ifill: plus, remembering the sultry, seductive and glamorous symbol of old hollywood, award- winning actress lauren bacall.

the humanitarian crisis in iraq, margaret warner reports from the syria-iraq border where tiny provinces have been overwhelmed by thousands of people fleeing islamic state extremists. >> ifill: then, as attorney general eric holder travels to missouri to review the federal investigation in ferguson, we hear from voices in the community on the shooting of michael brown.

prepares for more potential airstrikes in northern iraq against islamic state militants, margaret warner reports on the humanitarian crisis in the besieged town of amerli. plus, we continue our series on rethinking college. online courses can make higher education more affordable and

. >> ifill: we'll be back with margaret warner for the latest on iraq.but first, it's pledge week on pbs. this break allows your public television station to ask for your support. and that support helps keep programs like ours on the air. >> ifill: for those stations not taking a pledge break, we now take a second look at one man's effort to turn prisoners lives around just as he did his own. jeffrey brown has our report. >> brown: you may see me wearing a blue suit or blue pants and a blue shirt now but the reality is that my journey begins inside of a jail cell just like this 26 years ago. >> brown: michael santos is back behind bars. >> i feel a real kinship with every guy in this room. >> brown: but this time it's his choice. santos was just 23 when he was convicted of trafficking cocaine in 1987. his operation was big enough to draw a 45-year sentence, and with credit given for good behavior, he served 26 years in federal prisons. >> you can become the best in the world -- >> brown: now he's telling inmates his personal story of transformation. >> t

margaret warner reports from the front lines on why most displaced iraqis still refuse to return to theires. plus, giving teachers the keys to their schools. where curriculum, budget, hiring, d

tomorrow, margaret warner reports from iraq and a look at what's behind genius.'m hari sreenivasan. thanks for watching. captioning sponsored by wnet captioned by media access group at wgbh access.wgbh.org >> pbs newshour weekend is made possible by: corporate funding is provided by mutual of america-- designing customized individual and group retirement products. that's why we are your retirement company. additional support is provided by: and by the corporation for public broadcasting and by contributions to your pbs station from viewers like you. thank you. >> explore new worlds and new ideas through programs like this made available for everyone through contributions to your pbs station from viewers like you. thank you. >> announcer: stop starving yourself. diets just don't work. >> instead of dieting, i want you to learn about and eat more of the anticancer foods because the same foods that inhibit cancer growth also block the storage of fat on your body and will keep you slim and healthy your whole life. >> announcer: dr. joel fuhrman is a board-certified m

margaret warner reports from the front lines on what this army says it needs from the u.s. and others to thwart islamic state militants. good evening, i'm judy woodruff. also ahead, the real story behind netflix's hit show "orange is the new black," from the woman who inspired the emmy nominated series. then, turning parents into allies in the fight against summer learning loss.

tomorrow, margaret warner reports from iraq and a look at what's behind genius.'m hari sreenivasan. thanks for watching. captioning sponsored by wnet captioned by media access group at wgbh access.wgbh.org >> pbs newshour weekend is made possible by: corporate funding is provided by mutual of america-- designing customized individual and group retirement products. that's why we are your retirement company. additional support is provided by: and by the corporation for public broadcasting and by contributions to your pbs station from viewers like you. thank you. a special previewight, of the new film from director ken burns-- "the roosevelts: an intimate history," with exclusive interviews and behind-the-scenes footage. see how ken burns will tell the story of the most influential family in the nation's history. woman: it's an extraordinary story. the drama of it is unmatched in our history. announcer: theodore, the once-sickly boy who stormed into washington as if he was charging into battle. he didn't dare slow down. there were demons. announcer: franklin. struck

margaret warner joins us from northern iraq, where a humanitarian crisis is unfolding after gains by islamic extremists. and a new york exhibit explores the secrets of genius. next, on pbs newshour weekend. >> pbs newshour weekend is made possible by:

we'll be back, right here, on monday, margaret warner reports from iraq, as the country struggles to i'm hari sreenivasan, have a nice weekend. thank you and good night. >> major funding for the pbs newshour has been provided by: >> support also comes from carnegie corporation of new york. supporting innovations in education, democratic engagement, and the advancement of international peace and security. at carnegie.org. >> and with the ongoing support of these institutions and friends of the newshour. and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. captioning sponsored by macneil/lehrer productions captioned by media access group at wgbh access.wgbh.org  >>> this is "nightly business report" with tyler mathisen and susie gharib. >> markets rattled, the dow dips, bond prices rise as the conflict between russia and ukraine enters a new faphase. what is next for stocks and bonds and what is your best move now? >>> food for thoughts, the once casual diner may b

our chief foreign affairs correspondent margaret warner has the story. >> reporter: smoke rose over irbilu.s. air strikes hit fighters of the militant islamic state group in the north. a pair of f.a.-18's-- like these-- carried out the strikes. along from the aircraft carrier "george h.w. bush" in the persian gulf. the pentagon said they dropped two 500-pound bombs on artillery that was shelling kurdish forces. later, warplanes and an unmanned drone struck again, hitting a mortar and a convoy of vehicles. >> america is coming to help. >> woodruff: president obama announced the military action last night. as new advances by the islamic state forces threaten minority christians and yazidis. thousands have fled in terror, and are stranded on sinjar mountain without food or water. >> when we face a situation like we do on that mountain, with innocent people facing the prospect of violence on a horrific scale, when we have a mandate to help, in this case, a when we have the unique capabilities to help avert a massacre, then i believe the united states of america cannot turn a blind eye. we can

on wednesday, margaret warner reports from iraq on the humanitarian crisis faced by ethnic minorities driven from their homes by islamic militants. i'm judy woodruff, we'll see you on-line and again here tomorrow evening. for all of us here at the pbs newshour, thank you and good night. >> major funding for the pbs newshour has been provided by: ♪ ♪ moving our economy for 160 years. bnsf, the engine that connects us. >> and by the alfred p. sloan foundation. supporting science, technology, and improved economic performance and financial literacy in the 21st century. >> and with the ongoing support of these institutions and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. captioning sponsored by macneil/lehrer productions captioned by media access group at wgbh access.wgbh.org >> this is "bbc world news." >> funding of this presentation is made possible by the freeman foundation, newman's own foundation, giving all profits to charity and pursuing the common good for over 30 years,

on friday, margaret warner continues reporting from the front lines in the battle against islamic extremists in iraq. i'm judy woodruff. we'll see you online and again here tomorrow evening. from all of us at the pbs "newshour", thank you and good night. >> major funding for the pbs newshour has been provided by: ♪ ♪ moving our economy for 160 years. bnsf, the engine that connects us. >> charles schwab, proud supporter of the "pbs newshour." >> and with the ongoing support of these institutions and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. captioning sponsored by macneil/lehrer productions captioned by media access group at wgbh access.wgbh.org   >>> this is "nightly business report" with tyler mathisen and susie gharib. >> 28th record close, the s&p 500 finishes at a new record, the dow back above 17,000. is your best bet in this market investing in an index fund that just taxed the market, or should you try fixed stocks? >> in their own words, tom federal reserve

on tuesday, we'll have report from margaret warner in iraq. gwen ifill, we'll see you on-line and again here tomorrow evening. for all of us here at the pbs newshour, thank you and good night. >> major funding for the pbs newshour has been provided by: >> i've been around long enough to recognize the people who are out there owning it. the ones getting involved, staying engaged. they are not afraid to question the path they're on. because the one question they never want to ask is, "how did i end up here?" i started schwab with those people. people who want to take ownership of their investments, like they do in every other aspect of their lives. >> and by the alfred p. sloan foundation. supporting science, technology, and improved economic performance and financial literacy in the 21st century. >> and with the ongoing support of these institutions and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. captioning sponsored by macneil/lehrer