i'm sorry for what you had to go through. >> no problem. >> all right, ahmed model is for lack of a better description, a clock-making teenager. that's or show for today. i'm ali velshi, thank you for joining us. > pilgrimage to america. >> we have been preparing for this event for the last couple of months. >> the pope is set to arrive in the u.s. tomorrow. what he's expected to tell the nation, and why his views on capitalism and inequality are raising concerns. >> the leader of a gulf nation who has become a powerplaying in settling conflict and winning freedoms for americans held

captive. >> politics and islam. >> insinnedary comments from dr ben carson spark controversy for the g.o.p. as the party tries to capture the white house. >> and giant sequoyas as a tipping point. >> we wanted to understand the effects of the drought all the way from leaves and the landscale. >> climate change is taking its toll on ancient trees? >> good evening, i'm del walters. this is al jazeera america. at this hour, pope francis has spent a last night in cuba before heading to the u.s. they arrive in america tomorrow. he'll be greeted by president obama at joint base andrews. his sixth day trip, including a trip to congress and the u.n., and he'll finish a school and a

prison in philadelphia. events that allow him to focus on issues of social justice and the growing gap between rich and pour. randall pinkston has more. >> wall street. this week faces one of capitalism's critics. pope francis, attacked money and capitalism as a tyranny. >> the economy and inequality, the first exhul takes. some defended trickle down theories confirming that economic growth will succeed in bringing about justice and inclusiveness in the world. >> this opinion expresses a crude and naive trust in the goodness of those wielding economic power. >> francis is not breaking ground in social catholic teaching, the way popes from the

end of the 19th century talked about. there has been criticism of capitalism that forsakes people. leaving people on the margins. people like the crowd that line up for food every morning, outside st. francis. a stone's throw from broadway. in time's square. and new york skyscrapers. >> paris priests say the programme began in the depth of the great depression in 1829. in 86 years since, they have only missed four days helping the needy. >> it's not so much collecting money as it is in getting in there. and bringing in the expertise, raising money is not enough. >> i don't think the pope is against business. that can provide more

opportunity to help people. they hope to show hope for good, including paying for extensive renovations of the cathedral. >> let's make sure we are giving paid leave, time off. higher wages, and do it collectively, as opposed to signalling out businesses and attacking capitalism. >> the pope, ever the goiment, may not attack capitalism while he is in the u.s. his message about consumerism, equality and poverty is sure to be clear. >> pope francis held a meeting with bishops in the eastern city of santiago as he wrapped up his last full day in the caribbean nation, he said math for thousands. that is the capital of the region, where fidel castro and his brothers were born. they must be willing to change,

and he praised the work of the catholic church in cuba. >> translation: the so-called houses of mission deserve a special mention, as face the with a lack of temples and priests, they allow many to have a place to pray, listen to the word of god. and community life. >> the pope will deliver another mass. now to our ongoing coverage of refugee crisis. e.u. interior minister meeting tomorrow. deciding how to located 120,000 asylum seekers. they oppose quotas. hungary's government takes out ads in lebanon and jordan, warning that they could face gaol time. hungary will allow soldiers to face police and secure the borders. there's evidence countries that claimed they could not cope with the huge influx are shifting the

crisis elsewhere. putting them on trains and buses from slovenia and austria. we have were from slovenia. >> reporter: as chaotic as the summer has been. it's clear that the refugees might hope the journeys will be a little quicker, less painful. >> this center the northern slovenian sound is on the move to austria and germany. are they hope about it? >> these countries - i told you. >> when will you go to austria. >> austria - maybe today, after lunch. >> reporter: on the train. >> yes, on the train. >> reporter: like it's neighbours to the south-east. slovenia is showing logistical awareness. the staff are waiting for the next lot to turn up. they recognise the movements from people were serbia is getting faster. at the ends of the summer, the

most basic level that europe is showing. it's true, we have 250 beds available here. the refugees change every day. as soon as 250 leave, the next arrive. >> so the next bus turns up. off they come, they are arrived to go in. >> the reason why slovenia can cope with the influx of refugees is because the turn around of people is so fast. refugees spend about 12 hours here, and the rest is changed and moved to the train station. that, in turn, frees up bed space for the next wave to come. >> staying a few hours was too much for this group. refusing to go in, saying they just wanted to go to the railway station. after weeks of being herded around by police forces. patience has run out. >> take us to the train station. a drop as to the train station.

that's it. >> off they walked in two lines, a few hundred meters up the road into the train station. the $18 tickets would take them to the other side of the border. what they didn't know is you could get a train from here to the netherlands. the staff have been told the refugees must go through another system in austria. all the same it demonstrates that something is working now. countries have given up trying to keep people from going where they want to. >> millions of muslims are making their pilgrimage to the holy city of mecca. the largest gathering of muslims. the saudi government is tightening security, more than 7,000 security cameras will be trained on areas in and around the grand mosque. 100,000 forces about patrol the grounds, ranging from police to the saudi army and the elite terrorism unit. >> president obama thanking the

ruler of oman, which helped to win the release of two americans held hostage by houthis in the civil war. they were freed with two souedies -- saudis and a brit. it's not the first time oman have intervened. >> when it comes to problem-solving, the small arab nation of oman punches above its weight. it has close ties with western powers, the u.s. and u.k., and the islamic republic, iran. it backs the houthi rebels, holding the hostages until this weekend. >> an omany royal air force jet taxis to a stand still in oman, near the mouth of the arabian gulf. on board, two u.s. citizens held hostage in nearby yemen's civil war. scott and sam were trying to flee the fighting in yemen when

taken and held in the capital sanaa. the white house confirmed the release was arranged with the help of imam's long-time ruler. he set out to turn his country into a useful middle east player for sorting out tricky disputes years ago. >> given the size of oman, and its geographical location, it allows oman to be somewhat of a regional mediator. that elevated it above its size. >> it has maintained a cordial relationship with its giant neighbour across the north. iran going back to the days of the shah. in 2011, when the american hiker was released from an arabian gaol, cab use thank you baw are first. >> we'll be thankful to his majesty of imam for his work to secure our release. oman helped to organise talks

between washington and tehran when the world was at its most anxious about nuclear transmissions. >> it allowed a safe haven and place away from the hustle and bustle of the diplomatic world, and in a place where both sides felt comfortable. competent and safe. especially in terms of leaks. >> reporter: and last month france's president francis hollande thanked oman for helping in the race of french hostage isabelle prooen. imam has self from in helping to be a regional peace programme. >> oman would like to see the arabian sea and persian gulf that is calm, pro-business, quite, safe and stable. any instability, whether it's in the country of the arab world, or places where business is conducted on a daily basis will be bad for imam.

the ageing leaders is 74, and without an heir. dealing some to speculate whether it is a global head ache. can be painted. once he's gone. >> who knew about that. it's a year since houthi rebels took control. it's a bloody anniversary. more than 50 killed, including a family of 18 in saudi-led air strikes against the houthis, what a day indeed. >> john terrett, thank you scott walker drops out of the republican presidential race. more non-traditional candidates are searching. carson sets out. after volkswagen skirted the administration rules, the obama administration looking into what other automakers are going. >> tomorrow morning on al jazeera america, china's president comes to the u.s., hoping to improve ties.

with cyber security issues, will it detrail the visit. >> start with a global perspective. >> when i lost the job, i think that's what really put my credit in a bomb. >> the way i felt when i was turned down by the bank was humiliated. >> i didn't have bad experiences with credit until i went through divorce. all the credit, our lives were intertwined. >> i felt like a failure. >> the car was part of one of the disputes in the divorce. they took my car one night. >> have you been denied credit or are you paid hi interest rates. join thousands relying on credit scare.com. >> one day we seen the credit repair, and

the justice department is conducting a criminal probe into volkswagen, accused of rigging its cars to pass a pollution test. volkswagen admitting that it altered vehicles emissions to appear lower than they were, they marketed the diesel cars as environmentally friendly. facing $18 billion in fines. the obama administration says it wants to know if any other u.s. automakers cheated as well. >> wisconsin's governor announced that he is suspending his presidential campaign. he has fallen in the polls. they are less than a half of 1% among the republican voters. walker is leaving as an act of

leadership. >> i was sitting in the church. the viable is full of stories about people called to be leaders. >> today i believe that i'm called to lead by helping to clear the field in this race so that a positive conservative message can rise to the top of the field. republican candidates drop out. saying the field is an alternative to donald trump. >> there is outrage over the controversial remarks about islam. last week they took head. now the remarks over the weekend offended so many, some are calling for him to end his campaign. >> i would not advocates putting a muslim in charge of the nation. >> he doesn't think islam is

consistent with the constitution, but would consider voting for a muslim on capitol hill. congress is a different story. the comments ignited a fire storm. they are calling for carson to withdraw from the race. we ask koran to withdraw from the race. he is unfit to leave. he is not backing down. i don't believe sharia adding:

donald trump was asked why he didn't do more to help the man. >> we have a problem. it was not people from sweden. americans are showing little warmth. in the poll asking americans to race their feelings, they came in last. rating lower. >> bill joins us from washington d.c. . >> thank you for being with us. >> if you would refine a republic. >> republican is someone that enshrines the idea of a limited government. that's been true for the past 100 years. >> ultimate the paddle cry this year is immigration. donald trump says he's going to build a wall, a huge wam.

deporting 11 million people living in the country illegally. how do you do that with limited government. without creating a bureaucracy, something that republicans are opposed to? >> well, that would be difficult. specially if they round up those 11 million. the idea behind trump's statement is these people broke the law. a function of government, in trump's view and republicans, is to stop law breakers. they are punished for the law breaking. most of these critics, like trump, immigration, illegal immigration, it's about morality. >> i want you to listen to the add proposed by fronted runner donald trump, using ronald reagan. take a listen. >> i have spoken to the shining city all my political life.

god bless i'm teaming with people lying in harmony and peace. >> they are bringing in crime. if i'm elect... >> that being said, is there a republican candidate that ronald reagan would say is a republican candidate. >> i don't think he'd say donald trump. ronald reagan is an optimist. he was cheerful, believing it was morning in america. donald trump varies from republican orthodox on a number of issues. that's not the biggest problem. he's a nasty guy. >> after the last election, republicans said they needed to do something. they needed to change, build the bridges with women, with hispanics, with african-americans and other

minorities. donald trump irdated hispanics, they moved on to women, and others are not happy as well. what does it say about the front runner? >> the front runner sees the business as blowing up the business. he wants the state to be a hostile take over. that's the only way to be nominated. he has to bring in his supporters. some of home are not conservatives. they want a lot of people to flood primaries and caucuses. there were not high gates of administration. he wants them to flood the event and make him the nominee, a hostile take over the republican party. >> most republicans don't want to tenninger with the second state use. they do not believe a muslim should be present. doesn't it constitute a political litmus test which they forbid. looking at article six. they state no religious test

should be required. doesn't that put care, the council on islamic relations on the same page as the islamic party. >> council on islamic relations. are the parties critical of the statement. >> the answer to your original question is yes, it is incompatible with the constitution. he is talking about a religious test for holding the presidency. saying that a muslim shouldn't run. the answer is absolutely. it's unconstitutional. >> should he withdraw - yes or no. >> i'm not going to be the one to say that. republicans have to say that. they should be aware of his views on issues like this, and the fact that they are at variance with the constitution of the united states. >> bill schneider. thank you very much. >> the texas teen that got in trouble over a home made clock

has withdrawn from the texas school that suspended him. today his family took him out of mcarthur high school. he was arrested after bringing the clock to school. he wanted to show it off to a teacher. he wasn't charged he was suspended from school. we taking hundreds of feet above the ground to see how california's drought threatens trees thousands of years home. a former c.e.o. facing decades in prison for his failed decision of pursuit in

a former peanut company exec has been sentenced to 28 years in prison for his role in a salmonella outbreak. he owned the company, after an outbreak killed nine, sickened hundreds more, triggering a large recall. he knew and shipped tainted

peanut butter, faking the results of lab tests a group of u.s. doctors say e-cigarettes cigarettes have too men unknowns to recommend them to smokers that want to quit. it's the second time they rejected them as a station aid. the group gave a similar assessment in 2009. guidelines are used to determine whether insurance will pay for screens and treatments. >> crews in california bringing the valley fire under control. not before it killed three, and burnt 1,000 acres in homes. officials say the fire was 75% contained. it burnt close to 120 square miles of land. some of those are under mandatory evacuation orders. thousands of homes are at risk, even as we speak. >> the drought that fuelled the wildfires taking its tolls on california's se quoias, giant

trees that survived thousands of years, but are now losing limbs. a team of experts looking in, climbing up the trumps. jacob ward has more. >> they were losing the older needles, leaves, in amounts that were - they'd never seen before. >> reporter: giant se quoias like this are special. they are the largest organisms on earth, and are ancient. after four years of drought researchers are worried about the future. roughly 2, 500 years old, this pre-tats christianity and islam. more important it's 75 meters. 250 feet stall. tall. scientists will go up to take water stamps. i'm going to follow them. >> anthony leads the team.

he climbs to the top of these to test for time of stress. he's been doing this for about 20 years. this is my first time. eventually i made it. and the climb taught be a new respect not just for the scientists, but for the tree. you can tell, feel the weight of history, it's extraordinary to be here. here is the view. check this out. >> warmer temperatures mean the trees need enormous amounts of water. >> typical sequoia tree might use 5-800 gallons of water. >> trouble is the snow back which provides water to trees is now at a 500 year low. sequoias seem to be the

healthiest. as much as a quarter of a population of other types of trees are dying of thirst. >> sugar pine is suffering mortality that we have seen. ponderosa pine. incense creed area has been dying back at a rate never seen before. >> i'll show you something i have not looked at yet. unbelievable. the se quoias which survived thousands of years, survived this so far. the team points out the combination of drought and temperatures is unprecedented. >> now that we are in the fourth year, they are holding up well. if we this another year as severe as this one, all bets are off. >> the tree was a seed lining during the roman empire. the history of the united states

is a fracture of the pastment the question is whether it and its kind can survive here in the future. >> i'm dell walters, thanks for joining us. luis suarez is next with "inside story". >> 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,