Nightly news. Reporting tonight, Thomas Roberts. Good evening. Tonight new and graphic details about bill cosbys own admission concerning drugs, hush money and Sexual Assault allegations. In a now fully released deposition from a 2005 Sexual Assault lawsuit, he admits to dprooming women into sexual situations with promises of fame and career advice. Cosbys tactics for his hollywood casting couch are described his own words as quote, playing sex with an alleged victim. Cosby has vigorously denied all Sexual Assault allegations and has never been criminally charged. With more on the story, nbcs gaddy schwartz. Reporter in yet another round of explosive revelations, documents obtained by the New York Times shed more light on cosbys own allegations about how he seduced women. The deposition taken over four days of intense questioning, part of a 2005 lawsuit against cosby filed by a woman who claimed she was drugged and molested by the entertainer. In the transcripts bill cosby defends himself suggesting to a lawyer he was good at reading nonverbal signals on when a woman would consent saying she does not say to me dont ever do that again. She doesnt walk out with an attitude of a huff because i think im a pretty decent reader of people and their moegs and these romantic sexual things. Cosby denies giving the accuser anything stronger than benadryl to relax before a sexual encounter, but the womans lawyer said her client thought it was a more powerful drug. An allegation that follows cosbys admission that he obtained seven prescriptions for quaaludes in the 1970s that he intended to use for sex with women. Cosby reveals he didnt take them himself but used them the same as a person would, say, to have a drink. Transcripts show a lawyer asking, when you got the quaaludes, was it in your mind that you were going to use these for young women that you wanted to have sex with . Cosby responds yes. Did you ever give any of those young women the quaaludes without their knowledge . Cosbys lawyer interrupted do not answer the question. Cosby admitting that he once asked a model about her fathers death to get close to her. Today another alleged cosby accuser Barbara Bowman reacted to the incriminating details. It was a sigh of relief to say, i dont have to defend myself any more and these other women dont have to defend themselves any more. Reporter cosby also described the lengths he took to keep his affairs private from his wife camille. Request times writes cosby once blocking a damaging Magazine Article and sending a woman money through his agent so mrs. Cosby wouldnt find out. Nbc news has reached out to his representatives but have not received any comment about the deposition. Cosby has not been charged with any crime in connection with these allegations and hes denied past allegations and any wrongdoing. He settled out of court with the accuser in this case. Donald trump said today he owes senator john mccain no apologies one day after declaring the vietnam veteran and prisoner of war is quote, not a war hero. The comments drew Quick Reaction from other republican candidates for president including wisconsin Governor Scott walker. Kelly odonnell is on the campaign trail in cedar falls, iowa. Good evening. Reporter good evening, thomas. New tonight, one of the top tier republican candidates Governor Scott walker, says that it is time for trump to apologize and walker has tried to steer clear of Donald Trumps message. But walker in an exclusive interview tells me its time for trumps supporters to also urge him to apologize. John mccain picked a fight with me. Reporter the donald trump reality. Today he claims he said nothing wrong when he slammed john mccains years as a vietnam prisoner of war. Hes not a war hero. Hes a war hero. Hes a war hero because he was captured. I like people that werent captured. Okay . I hate to tell you. Do you agree with that . Hes a war hero because he was captured. Reporter but trump doesnt call all the shots. Today wisconsin Governor Scott walker who has avoided tangling over trump, tells nbc news in an exclusive interview, trump must make amends. At a minimum he needs to apologize. In terms of the race thats up to the voters. But clearly he needs to apologize and refrain from comments like that. Reporter hes refusing to do that. I think more people need to push him. And not just candidates or elected officials. I think more people from across america including some of those who may have been up till now supporters of his. Reporter trump appears impervious to the heat. Today by phone trump was again in the highspeed lane o big talk saying yellous competitors want him to quit. Of course theyd love to have me do that because im leading the pack. Im certainly not pulling out. Im leading in many states. Reporter at thooes four veterans groups blasted trump calling his attack on mccain an insult and despicable. Hillary clinton tried to spread the blame around. Its shameful and so is the fact that it took so long for most of his fellow republican candidates to start standing up to him. Reporter although trump did back pedal enough to acknowledge mccains service, republican candidate Lindsey Graham says voters will handle trump. If you show a disrespect for a p. O. W. Youre probably not gog get the nomination. Reporter and while mccain has not spoken publicly, graham tells me that mccain wants iowa voters to remember their own. Buzz day who served alongside mccain, both were in that vietnam prison. Thomas . Kelly odonnell, thank you. Tonight were learning new details about the life of the gunman who shot and killed five military Service Members in chattanooga, tennessee. The family of Mohammad Youssuf abdulazeez says their son suffered from depression but investigators are still searching for a motive. Nbc National CorrespondentMiguel Almaguer has our report. Reporter paula approximatemeyer came to say goodbye bringing her boy an American Flag and a baseball mitt. Naval petty officer randall smith. He died doing what he loved. He would have it no other way. Reporter the grief for this mother and so many others is overwhelming. At Church Services they remember all five of the fallen servicemen. A wounded city turning to their faith and to each other. Today there was little mention of the gunman mohammed abdulazeez. Before the shooting he sent a friend a text message with a link to an islamic version including this line whosoever shows enmity to a friend of mine then i have declared war against him. Overnight for the first time the shooters family released a statement. For many years our son suffered from depression. It grieves us beyond belief to know his pain found its expression in this heinous act of violence. Reporter david wyatt wyatts father tells us his son died a hero. When fire broke out he helped strangers get to safety. He loved his family, and served in the marine corps. It was his proudest calling. Reporter tonight while a Police Sergeant is still recovering marine demonty cheely also injured is back at home. The healing process for them and so many others in this community is far from over. Hes been my hero since the day i gave birth to him. Reporter tonight a senior Law Enforcement official tells nbc news that the gunman spent some time at a shooting range before the bloodshed here. He also says theres no clear indication he was radicalized by any terror group. We can see the growing memorial behind you. Miguel almaguer in chattanooga, thank you. The family of a woman found dead in a texas jail has ordered an independent autopsy. Police say that 28yearold sandra bland committed suicide in her cell but her family questioned that account. Bland was arrested earlier this month after a confrontation during a traffic stop. Nbcs Charles Hadlock has more. Reporter today a prayer service, steps from where sandra bland was arrested just over a week ago. Her sisters arrived in prairie view texas, seeking answers about her death. Bland, who was about to start a new job, was found hanged to death in a texas jail cell. Three days after a traffic stop turned into a confrontation. You just slammed my head into the ground. Reporter blands family says this bistander video not verified by nbc news shows her arrest though not the moments leading up to it. Authorities say bland was argumentative and uncooperative and was charged with assault. The family Attorney Says hes seen Police Dash Cam video which has not been released to the public and wants to know why bland was even asked to get out of her car. He asked her to put out a cigarette. She says why do i have to put out a cigarette when im in my own coor . And that seemed irritate him to the point where he said get out of the car. Reporter a state trooper who stopped bland is now on administrative leave. Blands family and supporters who have marched in recent days are not satisfied with the Police Account of her death. The local d. A. Says bland may have been suffering from mental illness, pointing to a video she posted on feeb in march. Im suffering from something that some of you may be dealing with right now. Its a little bit of depression as well as ptsd. Reporter but her sister doesnt believe that explains what happened. I think that people have their good days and bad days per se but in terms of any medically diagnosed clinical depression no that was not the case. Reporter the fbi and Texas Rangers are investigating the death. And the family has now ordered its own autopsy in the search for answers. Charles hadlock, nbc news. Take a look at these stunning pictures outside of phoenix where flash floods swept away trailers and cars late saturday after more than three inches of rainfall. Flood waters rushed through the streets, wiped out sheds and filled basements in the small town of wiccanberg. More storms are possible for tonight. Today the state department formally submitted the Iran Nuclear Deal to congress which has 60 days to review the agreement beginning tomorrow. Kristen welker is at the white house for us tonight. Good evening. Reporter thomas good evening. Its going to be a conten issue 60 days here. White house officials know it will be an uphill battle to get congress to approve the deal. A fall back if Congress Votes it down the president wants to nail down a vetoproof majority and that means getting a number of his fellow democrats on board. Opponents say the deal isnt tough enough on iran arguing it wont stop Irans Nuclear program completely. The Administration Says the deal shuts off every pathway for iran to get a Nuclear Weapon fr more than a decade plus it enforces the most robust Inspections Program ever. And the president invited three democrats, all largely supportive of the deal to play golf with him as he tries to secure what he hopes will be a lasting part of his Foreign Policy legacy. The clock beginning tomorrow. Kristen welker at the white house for us. Thank you. The United States and cuba will formally reestablish diplomatic ties beginning tomorrow. The start of a historic new era after more than 50 years of hostility between neighbors. Nbcs gabe grut airutierrez is in havana tonight. Reporter the daily grind is changing. How much have you been looking forward to this day . [ speaking spanish ] all her life, this woman says. Other cubans are more skeptical. What do you think about the amnesty over havana. I dont know. Reporter tomorrow the American Embassy will officially reopen here. So will its cuban counterpart in washington where the islands flag would be hoisted. I never thought it would happen in my lifetime. Reporter this doctor is a former cuban diplomat. What were watching is the two governments talking to each other, something that has not happened for the last 54 years. Reporter but those countries are still at odds on many issues such as lifting a trade embargo. Some argue the Obama Administration is ignoring the castro governments human rights violations. The administration keeps giving and giving and giving but the castro brothers are doing nothing. Reporter yet a thaw in relations could drastically change anna lopezs future. She dreams of visiting the u. S. We have a lot to share. And i think usa have a lot to show us about the rest of the world, and thats a big world that is usa. Reporter that world so close and once so far tonight on the eve of a milestone 54 years in the making. So while the building behind me will once again be known as the u. S. Embassy tomorrow the u. S. Flag will not fly here until secretary of state john kerry visits havana later this summer. Thomas . Gabe gutierrez in havana for us. Thank you. When nightly news continues on this sunday, one womans moving fight for the right to die on her own terms. Plus why its never too late for a ride of passage on two caring for someone with alzheimers means i am a lot of things. I am his sunshine. I am his advocate. So i asked about adding oncedaily namenda xr to his Current Treatment for moderate to severe alzheimers. It works differently. When added to another alzheimers treatment, it may improve overall function and cognition. And may slow the worsening of symptoms for a while. Vo namenda xr doesnt change how the disease progresses. It shouldnt be taken by anyone allergic to memantine, or whos had a bad reaction to namenda xr or its ingredients. 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Maybe you shouldve done a little more research on them. For drivers with accident forgiveness Liberty Mutual wont raise your rates due to your first accident. See Car Insurance in a whole new light. Liberty mutual insurance. We are back with the heart wrenching story of a woman who is in the fight of her life for the right to die. Stricken with cancer she wants the ability to die on her own terms. And this week she could get one step closer. With more nbcs hallie jackson. Reporter for christy odonnell, who is 46 the most painful part of her terminal lung cancer isnt the tumors that spread to her spine and brain. Its knowing she wont be there when her daughter gets married. I have written her cards ten years into the future for her birthdays, for her engagement for her baby shower. Reporter odonnell knows the cancer will kill her. She just doesnt know when. Theres already been two times where i was walking after chemo, fell down wondering if that was going to be the moment knowing that my daughter was going to have to come home and find my body. No one should have to live with that. Reporter its why shes demanding lawmakers give her the right to choose when and where she will die by taking prescribed medicine to end her life. I want to be at home in my own bed with my daughter. Reporter picking up the fight where Brittany Maynard left off. The 29yearold made headlines last year for her decision to choose physicianassisted suicide forcing her to move from california where its not legal, to oregon one of five states where it is. I would like to see all americans have access to the same health care rights. Reporter gallup polling shows an uptick in support for right to die laws since brittanys battle but in california it stalled. This is aiding killing. Reporter bob haas whose mother and brother died from terminal cancer believes doctors should be prolonging life not ending it. We look to our Health Care Providers to give us hope. Now theyd have a different role of saying take two of these and dont bother to call me in the morning. Reporter now taking an unusual approach odonnell and others are suing asking a judge to allow doctors to prescribe lifeending drugs. It is a choice. Reporter she probably wont live long enough to legally make that choice for herself, but she says if sharing her story, like brittany did, can make a difference its worth it. Dont look at me and feel sorry for me. If a fraction of people had an opportunity to experience what i have they would be very lucky. Reporter after a life lived fully, a death worth fighting for. Hallie jackson, nbc news santa clarita, california. When we come back the jawdropping moment. Surfer versus shark captured on live tv. Why pause a spontaneous moment to take a pill . 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