first known large scale astack on iphone and ipad users and here to decipher all the code is tom ackerman >> apple prides itself on safeguards to prevent mall irk actors of contaminating is uses for other apple devices. >> it's whether we've used all the technology at our disposal to create the most secure devices and the most secure seams that we can. >> but particularly in china many iphone users have taken to bypassing apple. a version of chinese we chat program, making it capable of sending fake alerts that steal data from phone users. apple says the infected apps have been roosked from the storr they are using the correct version to restore their apps. retail sale this week of the state-of-the-art iphone 6, also this week chinese president xi jinping makes his first state visit to washington with cyber security one of the foremost items under discussion. hackers charged with stealing from american businesses. the chinese have denied accusations and countered by suspending a bilateral dialogue on cyber security. but obama has signaled he is interested in a truce with the chinese. >> u

tom ackerman, al jazeera, washington. >> brazil's president is facing a tough week ahead. dilma rousseff is trying to convince congress to reduce the cut of public safer jobs and freeze pay for employees as she faces impeachment. >> things in brazil moving extremely quickly as dilma rousseff is trying to shore up her government. there has been talk about clothin closing 39 ministries. meanwhile, the government is desperately trying to distance itself from a massive corruption scandal involving the state oil company petrobras, which has implicated several construction firms and senior politicians. president rousseff has been trying to distance tears from that corruption scandal, but no doubt that her confidence is questioned in the future of that government. things are looking difficult. she's involved in negotiations with members of other hen party trying to shore up support, in members of the opposition trying to impeach her for her handling the situation, and her closeness to that corruption scandal. meanwhile, the economy taking a battering, the brazilian currency, the

david. >> tom ackerman there in philadelphia. thank you. >>> china's president xi jinping has promised $2 bill kwon for a fund to help fight poverty in countries. he made the announce during his first ever traes on the united nations as president and said beijing would step up investment in the least developed countries by at least $12 billion by 2013 -- 2030. >> translator: looking to the future. china will continue to take a right approach to justice and interest putting justice before interest and join other countries in the concerted efforts to realize the agenda. china will establish an assistance fund with an initial pledge of 2 billion in support of developing countries. china will he is continue to increase investments aiming to increase the total to 12 doll billion by 2030. >>> she's one of 200 leaders who afwreeed to work on new targets to improve the target of life worldwide. these are stainable goals covering pofrt to pollution. no poverty is in fact the first of the 17 goals. zero hunger, that is another. the u.n. sa

tom ackerman, al jazeera, washington. >>> now, the u.s. department has launch a criminal investigation in to the world's largest selling car maker volkswagen, it's accused of faking emissions tests in diesel powered vehicles and could face penalties up to $18 billion. jonah hull reports. >> reporter: this was the frankfurt international motor show on monday, the folks wag an stand under a bot be a dark seek rerevealed last week by the environmentaenvironmental protey in the united states. volkswagen it says has been false document tests for years to el bell he should its diesel evening inning. in early trade on the ground monday, the company's stock lost up to a quarter of its value. >> our company was dishonest. with the epa and the california air resources board. and with all of you. and in my german words we have totally screwed up. we must fix those cars, the cars will prevent it from ever happening again and we have to make it right with the government, the public, our customers, our employees, and also very important our dealers. >>

thank you very much, tom ackerman watching events with pope francis in philadelphia. thank you. well, still to come on the program, why iraq's while defeating isil is stalling. plus a symbol of identity. displaying interests of a boat that will take the region a step closer to splitting from spain. >> the top stories on al jazeera. saudi arabia said that the death toll from the stampede at hajj has raise on it 7 of the. another 934 were injured. officials are still trying to identify all of the nationalities of those who were killed. the pentagon has a admitted that an u.s.-trained syrian rebel group has surrendered u.s. equipment. >>> pope francis arrived in philadelphia from new york for the final part of his six-day u.s. tour. he's going to be delivering speeches on immigrants. he'll also meet victims of abuse. >>> bringing national unity and defeatist, bu defeat isil. >> seven weeks ago iraq's prime minister announced the battle to retake ma ready di city from isil fighters. security forces still have not taken the capital of anbar province. also in that time a crucial piece

particulars, yet the incentive for cooperation may be more tempting than ever, toms tom ackerman, al jazeera. >> go to our website if you want to look at the headlines or the stories behind them. >> the u.s. constitution doesn't say much about the qualifications to be president. you have to be 35 years old. and a natural born american. and that's about it. but privately, how many american voters would admit there's an understood second set of qualifications they carry around in their heads? do lots of americans think a woman, a jew or as republican candidate dr. brkz ha ben carsos suggested shouldn't be president? who fits in the oval office, it's the "inside story." ♪ >> welcome to "inside story." i'm ray suarez. when new york governor al smith ran for president in 1928, he was the first roman catholic nominee of a major party for the white house. he was trounced in a time when people were far more open about their prejudices and american protestants were very comfortable talking out loud about their dislike about catholics. it would have been 30 years later before another nominee,

. >> let's go to tom ackerman, my colleague live in philadelphia. i know, tom, the crowds are already enormous, we're talking about a million on sunday. the pope is turning his attention away from the politics that he aimed at world leaders and more generally towards his flock. >> yes. right now at this hour he's meeting with 150 seminarians just outside the city, and this is one note of his concern for the rank and file of the catholic church in the united states. even though the population has slightly increased, the roman catholic church has slightly increased by 1% a year, largely because of -- due to the hispanic population, the clergy, the priesthood has declined by a third in the last couple of generations. there simply aren't enough priests in the united states to service all the churches. as a result many churches and schools have suffered as a result because of increased teach the teachers in catholic schools. that's just a concern that he's concerned about. he talked about that in his homily, in his sermon just a few minutes ago right here

but as tom ackerman reports, the farm union has lost much of its strength. >> reporter: pedro alvarez left his native mexico for california 30 years ago. tending the same vineyards that sprouted a landmark of farm worker history. farm workers walked off their jobs in 1965 to demand better pay and health conditions from the growers. chavez's nonviolent tactics gained him note right. millions of americans stopped buying grapes and even some wine brands. but since chavez's death in 1993, alvarez says not much has happened. united farm workers is a shadow of what it once was, weakened by internal splits, competitions from rival unions and a more hostile environment for organized labor across the u.s. the union has lately claimed success, proactin protecting wom unking healthy heat conditions. one major california grower, many workers have been fighting to revoke the ufw's authority to represent them. meanwhile, the flow of mexican born farm workers has been dropping. as a result wages have increased a bit. >> that does indicate that this shortage that we hear farmers talking about is actu

tom ackerman reports. >> this is darprine which treats immunization.ow it is sold for $750, seven times more expensive. they have justified pricing based on the cost of research and risk and development. but daraprim is a generic after being on the market for 60 years. the drug's maker rejects charge that it is gouging profits. >> for us to try to exist and maintain a profit is pretty reason. >> in the u.s. last year the price of one in four generic drugs studied rose, most doubling in cost. >> even if you pay the price your diabete diabetes does not get betteget 50% better if you pay 50% more for the price. it's the same drug. >> bernie sanders and hillary clinton. >> i'm going to address this week starting with how we're going to try to control the cost of skyrocketing prescription drugs. it's something that i hear about everywhere i go. >> but regulation would not be easy. the u.s. is the only developed nation in which drug makers are free to set their own prices even government purchasing agencies may only negotiate but not dictate what they're cha

. >> tom ackerman live from beautiful sewn open a. california. up next, it's not just about winning. how serena and venus williams should be role models for a generation of young women. and record breaker, queen elizabeth with a milestone. >> serena williams needs just two more wins to be the women's first single player since 1988 to win all four grand slam titles in a single year. serena's latest win came last night as she defeated her ownsive, venus, in a quarter final match at the u.s. open in new york. serena said that the competitors on the court, they are also sisters and roommates. >>> juliana the president of the college, she encouraged young black women to emulate serena williams. and thank you so much for joining us, julie ann. let's start with a quote that gets to the heart of the issue that you wrote about. you said, "in a society that puts winning above all else, young women get the message that they should be less serena like, but in order to compete, that's exactly who they should emulate. so julianna, why do you feel like young bl

from california, tom ackerman reports. >>> pedro left his native mexico for california 30 years ago. what he grows reminds him of home, the livelihood coming from soil, tending the same vineyards sprouting a landmark. led by chavez, filipino and hispanic workers walked off the job in 1965, demanding better pay and health conditions. >> chavez's nonviolent tactics gained him support through a boycott. millions of americans sop stopped buying grapes. since his death, they do not see the union offering much help. >> translation: they pay a little more. but it's not enough to live on, he says you can go elsewhere. >> reporter: in power, chavez's unit farm workers is a shadow of what it was, weakened by splits, competition from rival unions and hostile environments for organised labour across the u.s. the union has claimed success, protecting workers from oppressive heat conditions. >> workers are entitled to a 10 minute break every two hours paid for by the company. there'll be shade and cool drinking water provided to them. >> it has fewer employers under contract. many workers have bee