And top innocent respect with costar Michael Douglas. Afrnls but first, the nightline five. We live in a world of mobile technology but it is not the tee vice that is mobile. It is you. We only have 450 million fans. Were trying to give them the feel of being at the stadium. The microsoft cloud gave us this ability to show people what they want to see. We will help people connect to their passion. Number one good evening, thanks for joining us. Tonight the opposition intensifying over that groundbreaking Nuclear Agreement with iran after weeks of grueling negotiations. In tehran, some are celebrating in the streets, but elsewhere across the globe and here at home critics want to kill the deal. Terry moran with the implications well soon cici from congress to our gas pumps. Reporter this is the party theyve been waiting for in tehran. The sights and sounds of a people with a new future in front of them, because of this. This moment has been a long time coming. And we have worked very hard to get here. Reporter after grueling negotiations a deal between iran and the United States and its allies the land of the ayatollahs doing a deal with the government they call the great satan. This deal offers an opportunity to move in a fu direction. Reporter the basic outline of the deal is simple. Iran will voluntarily cut back most of its Nuclear Activities for the most decade or more and submit to constant inspections. In return they will lift the sanctions on their economy. Netanyahu called it a stunning historic mistake. It may be the worse diplomatic agreement in the his history of the United States. Reporter and by the candidates hoping to replace obama in the white house. But secretary of state kerry defended the deal and challenged critics. So whats the alternative . The alternative is to go to war immediately . Bomb them . Sanction them further . Wait you cant sanction them further. Reporter tonight my colleague Martha Raddatz is out on the streets. Celebrations have been breaking out tonight, celebrating the Historic Deal between america, its partners and iran. All of these people know that those punishing sanctions will be lifted within the next couple of months and many civilians, many of these people have suffered under those sanctions. Reporter these scenes so unlike the images that defined u. S. iran relations for 36 years. The 1979 hostage crisis. In a revolution led by the fiery Ayatollah Khomeini americans were taken hostage for 444 days. Nightline got its start covering that crisis which riveted and infuriated the country. Again, today, iran is the major story. Reporter the hostage crisis led to decades of hostility between the u. S. And iran. By 2002 president george w. Bush lumped iran in with north korea and iraq in an axis of evil, to threaten the peace of the world. Reporter today president obama closed that chapter. It can bring about real and meaningful change. Reporter this is a society in the process of change, and many are eager to speed that up. Very good deal between iran and other countries. I think it some other countries are not very happy about this, but i think it would be a good chance for iranians. Reporter Martha Raddatz describes iran as vibrant, chaotic and divided. From the chic shopping malls where westernized young well push the limits on the legal requirement to cover their hair. Many years ago you would have been arrested. Yeah. Reporter to the mass marches she witnessed just days ago with the faithful shouting death to america, and any nuclear deal with it. Obama will back john kerry. Reporter it is a nation in a tugofwar. 70 of iranians are under the age of 35, born after the revolution. Its emboldened youth population battling against those who cling to the past. What is the one thing you wish would change here . I have problem with scars. And i have problem with going out. Reporter and for iranian americans living in los angeles, todays deal creating an opportunity to talk and reflect on their complicated heritage. Growing up you had your american side and your iranian side. It can really make a big difference. Reporter amy malik is a lecturer at ucla. Many of her students and friends and families back in iran share her cautious optimism. Today we were sharing a bunch of stuff. Its exciting. I think its a pinprick of a larger age of what diplomacy should be looking like. Reporter theyre also hopeful a deal like this will change perceptions here in the United States. I think we need to end some of the stereotypes that occur with iranians in america. Reporter these kinds of changes take time but already the deal has impacted global markets. Experts are redibting gas prices will drop first by only a few cents, but some predict prices as low as 2 per gallon by december of this year. But the changes here at home are likely to pale to those seen across iran where tonight there is hope in the air. For nightline, im terry moran in vienna. Up next jazz jennings is a teenager who happens to be transgender, and tonight she gives us a candid look at what its like to transition before adulthood. Plus ant man star paul rudd talks shaping up and suiting up. When you travel, we help you make all kinds of connections. Connections you almost miss. And ones you never thought youd make. We help connect where you are. To places you never thought youd go. This, is why we travel. And why we continue to create new technology to connect you to the people and places that matter. Do you like the passaaadd . Its a good looking car. This is the model rear end event. The model year end sales event. Its year end its a rear end event. Year end, rear end check it out. Talk about turbocharging my engine. Gorgeous. What kind of car do you like . New, or many miles on it . 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Reporter known publicly as jazz jennings shes perhaps one of the most wellknown transgender kids in america. First sharing her story nearly a decade ago in this landmark interview with barbara walters. If people say to you, are you a boy or a girl what do you say . A girl. Reporter and here she is expressing herself at age 7. I would say that i have a girl brain and a boy body and i think like a girl, but i just have a boy body. Reporter the trailblazing teen now has her own reality series on tlc called i am jazz, which chronicles her life as a transgender teen about to navigate the challenges of high school. Youre sharing very intimate details. Why . I want to be as open as i k it will show other people that being transgender is okay. Its not something negative at all. And it is something that i embrace, my family embraces. We live our life. We face the challenges conquer them and move on. Reporter activities like dress shopping can be tricky for jazz whos grappling with her developing feminine body. I dont have the right body. I think its beautiful. High schools approaching. I dont know if people will be accepting. Reporter do you mean people in general or boys . Boys are less accepting than girls. They dont want peer pressure from dating a boy. Reporter her parents noticed something different. She liked anything sparkly and pink. So feminine. Her movements were like this. Reporter doctors told her parents she had what is now called gender disfor yeah. Feeling different on the inside from how you look on the outside. I was dumbfounded. I didnt know a child could have issues like this. Reporter jazzs parents decided her to live as a girl allowing her to grow out her hair and wear dretss. But as she got older, she expressed concerns about male puberty. I said dont worry. Well do what we have to do when the time happens. Reporter they intervened with doctors and experts, staving off male puberty with an implant in her arm that blocks testosterone. It costs upwards of 18,000. Basically, it lasts for one to two years. Reporter is there some point when its over and you take it out . If i get the surgery my test testicles will be removed and i wont produce anymore testosterone. Reporter do you have a lot of questions for the doctor . Im going to ask about increasing my dosage and maybe getting more boobs. Reporter managing her hormones is a delicate balance. She routinely checks in with her doctor. The fact that youre still seeing Breast Development tells me that your bodys still reacting to this dose. So were going to talk about that how fast do 2003 advance to final adult dosing. What does that mean for Breast Development, other things particularly your height. Im willing to wait. If you can get the height and full Development Just by being patient and waiting a little more i prefer to do that. Reporter do you worry about the decision to use these therapies . . I feel it was the right decision to make. And even though youre worried about it what would be the consequences if you didnt. We didnt want a child going through life hating herself. Reporter one of the largest transgender Youth Clinics in the country says the alternative letting puberty taking its course can be devastating. We see high rates of attempting suicide and alarming rates of depression rates that are five to sincex times higher than the general youth population. Reporter but jazz with the support of her family is flourishing. Shes an athlete, the author and act vest. Being transgender is more than just medical, books and procedures. Its something spiritual in which youre finding yourself and really discovering who you are. And learning to love yourself. I think a few of us are boy crazy here. Reporter on the show, jazz tackles that complicated topic, date being. I am like the only one who has never done anything. No one has liked me. Reporter like most older siblings her sisters and brothers are protective of her her romantic prospects. I hope she will get through a relationship and not get hurt the wrong way because someone is transphobic. Hi reporter in the show, her sister lends moral support when jazz goes bikini shopping. Look how thin it is. Would you be uncomfortable . Reporter her solution . A coverup. And when she heads to the beach her friends decide to wear coverups too, in kol daughter. I didnt want her to be the only one. Theres times when im thinking about my friends have great bodies. I dont have that amazing body because im developing a little behind. Reporter jazzs journey is still unfolding but one she continues to share. Youve been called a trail blazer. Is that how you see yourself . I would say its not about me but more my message. In the end, everybody deserves the right to be their authentic self. And i hope we can come to that place some day. Reporter for nightline, southern florida. I am jazz premieres tomorrow on tlc. Up next an unlikely action star plays an unlikely action hero. Paul rudd on ant man. Abc news nightline, brought to you by snhu. I like my seafood like i like my vacations tropical. And at red lobsters island escape, i can try new dishes like the island seafood feast with crab, lobster jumbo sweet and spicy and coconut shrimp. So hurry in, itll be gone before you know it. Ya know, viagra helps guys with erectile dysfunction get and keep an erection. Talk to your doctor about viagra. Ask your doctor if your heart is healthy enough for sex. Do not take viagra if you take nitrates for chest pain; it may cause an unsafe drop in blood pressure. Side effects include headache, flushing, upset stomach and abnormal vision. To avoid longterm injury, seek immediate medical help for an erection lasting more than four hours. Stop taking viagra and call your doctor right away if you experience a sudden decrease or loss in vision or hearing. Ask your doctor about viagra. You know paul rudd has always been hollywoods goto nice guy boyfriend or the shluby friend. But now hes joining the action star club in ant man. Tonight Abbie Boudreau is with him and Michael Douglas. Reporter paul rudd like youve never seen him before. Damn right, im ant man. Reporter playing a super hero in marvels new action adventure film antman. A stark contrast from his socalled dad bod in this is 40, to the best shape of his life. Did you know you were going to have to strip down a little bit . There is a great motivator for staying on course and exercising and eating well. Its like knowing youre going to be playing a super hero in a marvel movie. Reporter famous for his string of cult classic movies from one hot american summer tastes like a burger. I doesnt like you anymore. Reporter to anchor man. 60 of the time it works every time. Reporter now paul rudd makes the move from comedy star to action star all be it a tiny one with super human strength on a mission to save the world. You must be familiar with ant man. But when you tell people he shrinks to the size of an ant that means youre invisible. Reporter it uses macro photography to capture sequences from the point of view of an ant. . The world sure seems different from down here doesnt it, scott . Reporter among the allstar cast of characters the legendary Michael Douglas who plays the role of the master man behind the ant suit. Its the first time Michael Douglas is in a super hero movie. Thats right. Its about time somebody agreed. Reporter why did you wait so long . Nobody asked me. Reporter this is the first movie hes in that his kid also actually get to see. My 14 year old was like my achlgt agent. Dad, you dont understand. Dont screw this one up. Reporter marvel owned by disney is set to release ant man, its 12th film in the marvel cinematic universe, and both actors feel they have a new respect for their tiny costars in the film. Is it true that you used to enjoy chocolate covered ants . I used to love eating chocolatecovered insects. I havent eaten any ants since ive done the movie. I have total respect. I dont flick them i dont set ant fraptraps. I let them alone. Theyre my brothers and sisters. Ant man hits movie theaters friday. Tune in to Good Morning America tomorrow and as always were on 24 7 on our Nightline Facebook page and at abc news. Com. Goodnight, america. There were gladiators and reenacted sea battles here until the 5th century hmm. So, should we go see the forum now . Oh, you know, actually i could use a little break. Bubut its right over there. I know, and i really want to go see it, but [ sighs ] but if we dont stick to my schedule, we wont see it. And we did stop for your other thing before. My other thing before . What dyou an, the bathroom . 40 minutes. First of all youre timing me now . and second of all, i do not take 40 minutes yes, dear, but when you go everyone else has to go. Okay, you know, marie, itits just that i need a little time to myself. I mean, we have been doing everything youve wanted to do. Are you saying that you feel obligated because im paying for this trip . cause thats not what i want. Of course not. And i am reagrlly grateful. Really . Ha ha. Ray. No comment. Ray, say something. I said somethin no comment. Ray. You want me to say somethin . Ill say somethin this is what you get. cause i told you that it was gonna get like this. But can you ever listen to me . No, im just dumb ray who likes new jersey. I wish i was in new jersey right t now, cause i saw this comin. I just didnt think it would take so long. Or i would get sick from hot and then cold and then hot and then cold. Or get a mama leoni handwash or have to sleep with my father