This is the cbs evening news with scott pelley. Pelley we begin with major setback today for supporters of legalized pot. After a long review, the Obama Administration decided today that marijuana will remain what is called a schedule 1 drug, same as heroin, the category for the most dangerous drugs with no known medical application. Government in conflict with states that have already made pot legal either for recreational or medicinal use. We have more now from don dahler. Reporter the Drug Enforcement administration said marijuana has no currently accepted medical use in treatment in the united states. Chuck rosenberg is acting administrator for the d. E. A. Its not about danger. Stuff in schedule one can be really dangerous or not as and effective medicine. This decision keeps marijuana classified as a schedule 1 drug, like heroin and l. S. D. , which means the federal government only approves of its use under strictly limited research concerns. In violation of federal law, new jersey is one of 42 states and the district of columbia that allow the use of various forms of marijuana for medical use. Dr. Thomas bellavia of hasbrouck heights, new jersey, has been prescribing it for over three quality of life. People with glaucoma do much better, especially for people who have been in auto accidents and have chronic pain, it does a great job for them. Reporter and yet there is still such a stigma this patient didnt want to be identified. Medical marijuana has helped me in so many ways. I no longer take percocet for back pain like candy. I dont use them hardly ever. Reporter a recent cbs news poll shows 87 of americans approve of medical marijuana. Policy alliance. They really have their head in the sand. So i think this is an agency that time and again has proven that it is out of step with science, research, public opinion, Political Movement on this issue. And i think todays decision is another example of that. Reporter the administration will increase the amount of marijuana available for research as well as open testing up at more institutions. Currently only the university of mississippi is allowed to supply marijuana for research. Of five operating in new jersey, and all of these plants are being grown for medicinal use, even though the d. E. A. Says thats illegal. Scott, the department of justice says they will make it clear they will not prosecute as long as patients and doctors follow state law. Pelley don dahler reporting for us. Don, thank you. On the campaign trail today, donald trump blamed president obama and Hillary Clinton for creating isis. Major garrett has the story and i call president obama and Hillary Clinton the founders of isis. Theyre the founders. You got the m. V. P. Award. Isis will hand her the most valuable player award. Her only competition is barack obama, between the two of them. Reporter Donald Trumps criticism that isis rose to prominence during the Obama Administration ignored president bushs role in removing u. S. Troops from iraq. Part of trumps argument is that the u. S. Troop withdrawals created a security vacuum in iraq that the terror exploited. President bush negotiated that agreement with iraqs government and set the withdrawal date at the end of 2011. In terms of the agreement, this is a major achievement. Reporter president obama, elected on a platform of ending the iraq war, enforced the bushera time line. On the hugh hewitt radio show today, the conservative host gave trump room to back down. You meant he created the vacuum, he lost the peace . No, i mend hes the founder them. He hates them. Hes trying to kill them. I dont care. Hes the founder. Reporter remarks of this kind fuel g. O. P. Unrest. Today more than 70 republicans signed a letter to rnc chairman reince priebus, urging him to deny all Republican Party resources and divert them to vulnerable house and Republican Senate candidates. The goal save the party from drowning with a trumpemblazoned anchor around its neck. Also today, patty davis, daughter of president ronald reagan, the last american president to survive assassination attempt, wrote on facebook that trumps comments earlier this week about clinton, the Second Amendment and the Supreme Court could inspire violence. Scott, davis said trump knows words matter, which she said makes this all the more horrifying. Pelley Major Garrett following the campaign tonight. Major, thank you. Well, today president obama received an extraordinary letter from syria, a plea for help from 15 of the last remaining doctors aleppo once was syrias largest city. It is now under siege. Syrian Government Forces backed by russia and iran are in a relentless battle with rebels, mostly islamic militants. But civilians are caught in the middle. Debora patta is inside syria. Reporter under constant bombing, life is hard enough for the 300,000 people will living in rebelheld aleppo. News just got of another alleged chlorine attack overnight. Its victims included men, women, and young children. [gunfire] and for the few remaining doctors there, the relentless fighting and lack of supplies means theyre faced with terrible choices. The 15 doctors who wrote to president obama say there was an attack on a medical facility every 17 hours, 42 last month alone. We spoke via skype to the bombing is a lot and injury is also. Reporter he did not want to show his face. We have to choose who lives and who dies, he said. And this is something we have to live with every day. The doctors have accused the world, including the u. S. , of failing to protect them. And he told us 95 of the casualties are civilians. We do not need tears, the doctors say, we nd but with the fighting intensifying, the situation is now becoming dire for all of the two Million People living in both government and rebelheld aleppo. They are in danger of running out of food, fuel, and water. The russians unilaterally declared a threehour ceasefire which proved futile today as neither the Syrian Government nor the opposition Rebel Coalition ever endorsed it. Warring parties agree to a temporary truce, the United Nations warns it needs 48 hours to give disparately needed supplies to the war weary people of aleppo. Pelley debora patta covering the fiveyear civil war for us. Debora, thank you. For more than a year now, americans have been told that the war against isis in syria and iraq has been going well, as were the u. S. Efforts to train iraqi soldiers. But today a Congressional Task force said altered to make it appear that things were going better than they were. And it blamed u. S. Central command, which runs the wars in the middle east. Jim axelrod has been looking into this. Reporter the task force was formed to investigate a whistleblower complaint filed by a Senior Analyst at centcom that intelligence was being manipulated by command leadership. Republican congressman mike pompeo is a member of the task talented career professionals inside the analytic arm of centcom did their job and accurately depicted what was going on on the ground, but when it got to very senior levels, that information was changed. Reporter according to the report, starting around mid20 14, final intelligence reports and public statements issued by centcom painted a rosier picture of the iraqi armys strength than the initial assessment of its own analysts. Ladies and gentlemen, we are making progress. Reporter centcoms thencommander general lloyd austin testified in march 2015 that isis had been weakened in iraq. The fact is he can no longer do what he did at the outset, which is to seize and to hold new territory. He has assumed a defensive crouch in iraq. [gunfire] reporter around the same time a centcom official stated the iraqi army could soon be ready to launch a major offensive to retake the city of mosul. When we send young men and women out to fight for our country, they need to have straightup intelligence providing them information about what theyre up against. Reporter this task force was made up entirely of republicans, but late today democrats on the House Intelligence Committee released their findings, and they largely reached the same conclusion. As for centcom, scott, this statement they are reviewing the report, but since the investigation is ongoing, there will be no comment. Pelley jim axelrod reporting for us tonight jim, thank you. A North Carolina man is charged with murder in a case that has been compared to the 2012 killing of Trayvon Martin by a Neighborhood Watch volunteer. Mark strassmann reports from raleigh. Reporter the 911 call from this raleigh home came at 12 50 sunday morning. We got a bunch of hoodlums out here racing. Im going outside to secure the selfdescribed Neighborhood Watchman. His complaint was about a large crowd quartered outside his home. They have firearms. Im going to secure our neighborhood. Reporter minutes later copely called 911 a second time. I yelled at them. They were showing a firearm, so i fired a warning shot. And we got somebody that got hit. I fired my warning shot like im supposed to by law. Reporter the victim, 20yearold kouren thomas. He was leaving a crowded house party next door. Copely later said. Black males outside my house with firearms. Please send p. D. Reporter police say thomas was unarmed and copelys warning shot was a shotgun blast fired from inside his garage. Hes in jail now charged with firstdegree murder. Copelys attorney issued a statement saying, we urge restraints and that folks not the victims mother, simone thomas, says she moved to raleigh from new york in 2001 to keep her son safe. He was a good kid. And i dont have him no more. Theres nothing i can do. Reporter copely is being held without bond on the murder charge. Scott, thomas mother says shes trying to raise the money she needs to bury her son. Pel reporting. Mark, thank you. Today florida recorded three more zika infections. 25 people are now believed to have been infected by florida mosquitoes. So far the outbreak appears to be contained in one square mile of miami. Zika is known to cause microcephaly, a birth defect in which a babys head and brain are abnormally small. We asked dr. Jon lapook to tell us more about this rare . The itsy bitsy spider went up the waterspout . Reporter like most sixyearold, edmund loves singing, toys and, of course, his mother, but unlike most of his peer, edmund has microcephaly, the result of a genetic disorder his mom elizabeth didnt know about while pregnant. When he first came home, my initial thought is i cant do this. I cant do this. I didnt cyber up for this, which is not true at all. Of course you sign up for it. Reporter she and might never recognize him, night not even survive. Some doctors even suggested he be institutionalized. What was your response . My First Response was, i didnt think people did that anymore. Reporter edmund didnt sit up or crawl until he was three and still doesnt talk. But he is slowly meeting some milestone, walking with help, riding a bike, and playing with his two brothers. Here he comes. Were teaching him some reporter give me an example. So he will say edmund loves mama. Reporter so you speak edmund, sign language . Yes. Hes invented some of his own signs. This is please sing to me. Reporter he just made that up . Yeah, yeah. Reporter microcephaly can arise from a number of different conditions. Genetic ones like edmunds, and infections during pregnancy like measles and zika. Symptoms and prognosis can vary widely. Can you to m you can. So you understand a lot. He understands a lot. Oh, yeah, yeah. Reporter its too early to tell how it will affect the lives of those affected with zika. Picciuto remembers the emotional toll of an uncertain future. I kept saying, whats going to happen . Whats going to happen . Reporter and she still doesnt really know. I havent asked for a prognosis in forever because i dont expect anyone to be able to tell me. Rasht but she has advice for the mothers of babies with birth defects from zika. It gets better. It will get better for you. Youll love your child, and your child will love you. Reporter and she says know you will find a new normal. . Clap your hands . Yes well, done. Reporter dr. Jon lapook, cbs news, maryland. Pelley coming up next on the cbs evening news, a hazard on highway, and how to make roads safer. Utrients from food alone. Lets do more. Add one a day womens 50 complete multivitamin. With vitamin d and calcium to help support bone health. One a day. At safelite, we know how busy life can be. These kids were headed to their first dance recital. When their windshield got cracked. But they couldnt miss the show. So dad went to the new safelitedotcom. And in just a few clicks, he scheduled a replacement. So you dont have to miss a thing. Yall did wonderful thats another safelite advantage. Pelley theres a highway hard that most drivers dont know about, but a report out today finds that it is causing tens of thousands of crashes. Heres kris van cleave. Reporter watch as this yellow pad falls off a trailer on the a minnesota interstate in june. 20yearold brendan jakowski tried to avoid it but couldnt. I just saw the thing fall, so i knew i had the move. Highway that no run ran me over or hit me. Reporter in january, 26yearold charles hu was killed outside boston when a rear tire flew off this pickup truck and struck his car. A a. A. A. Foundation study found crashes between 2011 and 2013 were caused by road that where i, injuring 39,000 people. More than 500 died. A majority of these crashes are preventable. If drivers would take the necessary precautions to secure their load or maintain their vehicle properly. From a. A. A. Theres a good rule, if you wouldnt want to drive behind it, there is probably something wrong here. If you put a load and you wouldnt want a Family Member driving behind you, its a good sign its not safe. He had such a dynamic personality. How could that be gone from my wife . Reporter next week heidi coffee will mark ten years from the day her husband gavin was killed on a seattle freeway. Metal shelving flew off this truck. Gavin tried to avoid it. When he swerved, he was hit and killed by another car. Deaths have been that way. Heidi was seven months pregnant with their fifth child. I miss being a wife because that was my favorite thing, was to be his wife and best friend. And thats what i miss. Reporter these accidents are most common on highways and during the middle of the day. Scott, in all 50 states drivers can face fines if theyre responsible for road debris, particularly if it results in an accident. Time. Pelley transportation correspondent kris van cleave. Kris, thank you. Criminal charges have been filed against the man who climbed trump tower. Our biggest event of the year just got better . . Announcing zero for seventytwo across the entire lineup of ford cars, trucks and suvs. Plus, tagged vehicles now get a thousand smart bonus. Thats freedom from interest. s best selling brand. . . 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Homeowners insurance Life Insurance automobile insurance i spent 20 years active duty they still refer to me as Gunnery Sergeant when i call to pass that on to my kids something that makes me happy my name is roger zapata and im a usaa member for life. Usaa. We know what it means to serve. Get an insurance quote and see why 92 of our members pelley magic and bird, ali and frazier, and tonight lochte and phelps. Theyll duel in the pool one last time. Ben tracy is in rio. Lochte in lane four alongside phelps. Reporter in the semifinal of the 200 individual medley last night. Michael on the right. Lochte on the left. Two of the best in history. Reporter the two greatest american m s time were separated only by the lane lines. Phelps is looking pretty smooth again. Reporter Michael Phelps and ryan lochte may be teammates here in rio, but theyve been rivals for more than 12 years. Lock will be right behind him. We both just go to that next level when we swim with one another. Hes the hardest competitor ive ever had to go up against, and hes in the likely to back down. And im not either. Reporter since the 2004 olympics, they have faced off in every 200m individual medley final. But lochte is the fourtime World Champion and owns the world record in the event. He has now won 12 olympic medals, including six gold, and would be the most decorated male swimmer of all time if it werent for phelps. Tonight is their final showdown. Phelps says hell retire after rio. Its going to be a crazy race. Reporter dara torres swam in five olympics for team u. S. A. How big of a deal has this duel in the pool become . Its a very big deal. I dont think they would be as if they didnt push each other. Reporter along the way the two rivals became friends. Theyre sharing a room in the athletes village in rio. No matter what, win or lose, were still going to be friends. And that rivalry that weve created is just great. Reporter but so is winning, and someone has to hit the wall first. Ben tracy, cbs news, rio de janeiro. Pelley and thats the cbs evening news. For all of us at cbs news all ponsor wish your skin could bounce back like. It used to . Neutrogena . Hydro boost water gel. Instantly quenches skin to keep it. Supple and hydrated. Day. After day. With hydrating hyaluronic acid, which retains up to 1000 times its weight. In water. This refreshing water gel. Plumps skin cells with intense hydration and locks it in. For supple, hydrated skin that bounces back. Hydro boost. From neutrogena . See whats possible. Im Hillary Clinton and i approve this message. Letterman has a line of clothing, now where were these made . Trump these were made, i dont know where theyre made. But they were made someplace. But theyre great. Its ties, shirts, cufflinks, everything sold at macys and theyre doing great. . Letterman . Where are the shirts made . . Offcamera voice . Bangladesh. . Letterman . Bangladesh. . Trump . Well, its good. We employ people in bangladesh. Letterman . Ties . Where are the ties made . They have to work, too. These are beautiful ties. They are great ties. The ties are made in where . China . Offcamera voice . China. . Letterman . The ties are made in china. Were discovering the magic of seattle. One of americas greatest cities. Wheel. Of. Fortune . . Ladies and gentlemen, here are the stars of americas game pat sajak and vanna white thatll be us thank you, jim. [ cheers and applause ] thanks, everybody. Arent they nice . They are. Were saluting seattle. Happy to do it. Thank you. See you later. Hi, boys and girls. Good to see you all. Get ready. Yeah, you got the right idea. Thats, uh, what we needed for our first toss up