>> trump's rally ends in violence. >> protesters jumping on cars. one car actually started to do doughnuts, had a couple of injuries, a couple of people in custody. news station in baltimore, a man in a panda suit shot by a police sniper after he claimed to have explosives. family members of the san bernardino terrorist. >> charges do not involve the shooting. the three pled not guilty. a wave of severe weather tore through the midwestern states. >> i could be dead now. >> stormy weather continues, the focus across the southern plains. >> flooded. >> 2016 nfl draft is now officially open. >> controversy over the man picked 13th. his twitter account shows someone smoking out of a bonk gas mask. >> put away your twitter accounts if you want to be a pro football player. >> the engine caught fire on an illinois highway. all of the students did get out safely. cell phone video captured a waterspout napa storm center and pouring rain. >> this adorable bear cub caught on camera in the backyard. >> all that matters. >> i hear there's some hot shot journalists here. >> president obama surprises a group of college journalists by crashing a white house briefing. >> the young lady in the red. >> hey. >> hey. >> on "cbs this morning." >> gave his first foreign policy speech and accused president obama of handling iran with tender loving care. sometimes that works, dad, said eric and donald, jr. this morning's eye-opener presented by toyota, let's go places. welcome to "cbs this morning." a donald trump rally in california was the target overnight of some of the worst political violence of the presidential campaign. one of hundreds of protesters stop a police car in orange county southeast of los angeles. >> the late night disturbances went on for hours. police arrested 17 people outside the pacific amphitheater in costa mesa, california. donald trump spoke to thousands of supporters. carter evans at the police station. carter, good morning. >> good morning. donald trump held his rally about 7:00 last night. it was right across the street from the police station here. there were protesters and supporters in the parking lot. now most of them were peaceful until the event wrapped up. that's when things got out of hand. hundreds of demonstrators rallied against donald trump poured into the streets of costa mesa, california, overnight. people yelled obscenities and held up signs protesting the republican front-runner. the crowd cheered on several people trying to flip over a vandalized police car. others dance and wave mexican flags objecting to trump's controversial immigration proposal. >> whoa, whoa, whoa. >> ktvs journalist mundel captured on camera. >> broke out between multiple people and that person in the gray shirt just moments ago. >> reporter: a man wearing a gray pro trump t-shirt was seen with a bloody face. he was treated by paramedics and loaded into an ambulance. rows of law enforcement on horse back and in riot gear lined up to disperse the crowd. that didn't stop them from blocking drivers on a busy freeway. >> that's not cool. >> reporter: it took about three hours for the crowd to disperse after the rally ended. some of those arrested are still in police custody now. we put a call into the trump campaign, but no response. >> all right. thank you, carter. more leading republicans are getting used to the idea of donald trump as their nominee. one big gop name is bashing trump's number one opponent. retired house speaker john boehner called ted cruz "lucifer in the flesh." this weekend he said he would likely vote for trump. cruz responded boehner let his inner trump come out. in san francisco trump and john kasich, good morning. >> he retired but waded back into politics with a witherring critique of ted cruz, added his name to the list of republicans who are slowly accepting the fact that donald trump just might be their nominee. >> lyin' ted cruz. we know lyin' ted. >> trump pounced on his opponent after former house speaker john boehner compared him to the devil during an event at stanford university. >> lucifer in the flesh. but i have never worked with a more miserable son of a [ bleep ] in my life. over my dead body -- >> i've never worked with john boehner. truth of the matter is, i don't know the man. >> frustrated with washington, cruz tried to spin the comments as a badge of honor. >> when john boehner calls me lucifer, he's not directing that at me. he's directing it at you. >> reporter: he said trump was only pretending to be an outsider. >> donald trump is ultimate insider. a lobbyist got rich exploiting government power. >> certain politicians got rich. senator corker, fantastic. >> corker took a veiled shot at cruz and kasich for trying to force the convention. >> i've been appalled by trying to direct the process in a certain direction. >> trump his own direction. >> we've got to talk about this presidential crap for a moment. >> reporter: day two of the presidential road show with bobby knight compared trump's style to harry truman who dropped a bomb. >> here is a man who would do the same thing because he's going to become one of the four great presidents of the united states. >> reporter: trump will have another chance to win over establishment republicans later today when he speaks to the california state republican convention. law enforcement sources say they are preparing for as many as 10,000 protesters. >> thanks, chip. trump repeated last night that hillary clinton is playing the woman card. that phrase is paying off for clinton fundraising operation. her campaign now offers a woman card to contribute on its website. figures show bernie sanders is the biggest spender of all candidates. in january through march, sanders spent more than $121 million. that is about 50% more than clinton. all right. vice president joe biden at the vatican this morning. he met with the pope and addressed a major gathering on stem cell research. seth doane in rome where he heard biden's moving words on the fight against cancer. seth, good morning. >> reporter: good morning. this the third time this conference has been held at the vatican. it brings together doctors, patients, philanthropist, religious leaders to try to push forward medical research. the pope and vice president joe biden addressed a crowd inside a vast auditorium inside vatican city today with vice president calling some of those gathered among the most brilliant minds in the world. of course just last year vice president biden lost his son, joe biden, to brain cancer and has really pushed forward trying to push for a cure for cancer. he discussed a personal moment he had with pope francis while walking him to his plane. >> he asked if he could meet with my family when we had just lost my son. he met with my extended family in the hangar behind where the aircraft was. i wish every grieving parent, brother, sister, mother, father, would have the benefit of his words, his prayers, his presence. he provided us with more comfort than even he, i think, will ever understand. >> reporter: the vice president has pushed forward trying to ask congress for a billion dollars to fight cancer in the u.s. today he took that push around the world. gayle. >> seth doane. thank you very much. dramatic and hopeful moment amidst violence in syria. a toddler pulled live from the rubble 24 hours after airstrikes destroyed a hospital in aleppo. a new wave of attacks in syria's largest city pushed the cease-fire to the brink of collapse. holly williams monitoring the latest developments from istanbul, turkey. holly, good morning. >> reporter: good morning, russia and the u.s. have agreed on a partial cease-fire in parts of the province in syria. the syrian capital, beginning at midnight tonight. this comes as an earlier cease-fire agreed two months ago is breaking down. opposition groups reporting this morning there have been more airstrikes on rebel held air in aleppo. we can't say for sure who is behind airstrikes but the regime in iran is trying to recapture all of aleppo from rebel forces. another rebel neighborhood pummeled by strikes yesterday destroying that hospital. the facility was a center for child medicine. the international aid group that supported it said it was targeted charlie. >> thanks, holly williams in istanbul. we have breaking news from philadelphia where two commuter jets made emergency landings this morning three minutes apart. american eagle flight 4801 from richmond, virginia, landed safely before 5:30 pacific time. the pilots reported smoke in the cabin. the 54 people on board put on oxygen masks. they used emergency slides to get out. one injured passenger was treated at the scene. soon after an american eagle flight 4518 from toronto landed safely after reporting steering problems. the nfl draft kicked off with controversy even before the first election. offensive lineman laremy tunsil one of the top picks. he was chosen 13th overall and lost an estimated $7 million in salary. this followed the leak of a video just before the draft. it appears to show him wearing a gas mask smoking marijuana. v vladimir duthiers is following the controversy. >> cited as the best player of the nfl draft. what happened before the draft stopped it and had investigations forthcoming. >> miami dolphins select laremy tunsil. >> every player at the draft feels a rush of excitement. for laremy tunsil, this wasn't how it was supposed to happen. this video circulated on his twitter account before the draft. it showed him smoking out of a bonk wearing a gas mask. he admitted it was him in the video but said his account was hacked. >> it's a mistake. it happened years ago. somebody had my twitter k. it's a crazy world and things happen for a reason. >> reporter: but the controversy didn't end there. short sly after the dolphins selected 21-year-old, screen shots of what and to be a conversation between him and former coach at ole miss were posted to his instagram account. it allegedly showed him asking for rent money and cash to pay a utility bill for his mother. a direct violation of ncaa rules. >> i have to say yes. >> have you talked to ncaa at all, the investigation, have they talked to you about -- >> he's got no more comments. thank you guys so much. >> reporter: tunsil is no stranger to ncaa violations. last season he was suspended for accepting loaner car and interest-free loan, charges the star player admitted to. at the draft, ole miss head coach defended his former player. >> it's unfortunate the events of tonight, of course. i assure you that's not who he is. >> reporter: just last week more legal trouble for the 21-year-old. his stepfather slapped him with a civil lawsuit accusing tunsil of attacking him last summer. >> now is the stepfather trying to come in and get money from him? there's a lot to this. >> clearly. >> it's been a hard 48 hours for laraemy tunsil. >> as for new allegations, university of mississippi issued a statement to "cbs this morning" said "the university is aware of the reports from nfl draft regarding laremy tunsil and potential ncaa violations during his time at ole miss. we will aggressive investigate and fully cooperate with ncaa and sec, gayle. >> thank you. sounds like somebody is out to get laremy tunsil. a lot of questions there. thank you. a man wearing a panda suit marked a bomb scare. police shot the man yesterday after he allegedly threatened to blow up the building. the 25-year-old suspect is expected to survive. jeff is outside the station on baltimore's tv hill with the security guard's quick action that saved the day. jeff, good morning. >> reporter: good morning. the first thing police said the suspect did, immediately signaled he wanted the world to take notice. according to police across the street in the parking lot, he set a car on fire walking to the front door of wbff, threatening to blow the place up. alex brizi carried a flash drive, which he said had information that needed to get on the air. when he showed the security guard the wire inside his costume leading to what looked like a bomb, the security guard called 911. the station's meteorologist said that guard took the threat seriously. >> so he said he had a message to deliver. >> yeah. >> is that what he was telling people? >> yeah. we had a security guard inside, jay, and he actually stayed calm. i owe a lot to jay. he kept everything calm. he wen into the building and warned everybody to evacuate. >> reporter: the security guard delayed the suspect's entry to the building. >> he tried to pull on the door a few times to come in. i told him i couldn't let him in but i'd be glad to talk to him to help him out. >> after 90 minutes barricaded inside the lobby. >> man walking out. >> brizi walked into the street and ignored tactical operations command to take his hands out of his pocket. that's when they fired. >> they said get down, get down, get down. he didn't comply. >> a bomb squad robot was brought in to approach the wounded suspect. baltimore police commissioner said under the onesie the man wore a vest with a homemade accessory that looked real. >> inside a little plastic baggy he had chocolate candy bars. the candy bars were attached to each other with wiring. he was holding a replica detonator. >> alex brizi shot four times, including once in the neck with his father. >> he just had a mental breakdown. probably what happened was he has no way to get a bomb, so what he was doing was putting himself out there and thinking that he wanted to die. >> reporter: witnesses who say they had seen the contents of that flash drive say that it contains video of a rant about space and government. the atf is assisting with the investigation. atf agents were at the suspect's family home last night as investigators continue to dig into the man's background trying to figure out why he did it. >> all right, jeff. thank you so much. a rookie police officer in florida has been fired after he allegedly hit a woman in handcuffs. surveillance video shows the disturbing encounter outside a jail. the woman tried to kick officers. police say the officer retaliated by striking her several times. he has now been charged with battery. prince's death reported being investigated as a possible overdose. associated press say law enforcement officials want to know if a doctor was prescribing him drugs. the investigation now is reportedly a criminal probe. a certainly warrant for the minnesota home where the iconic musician died has been sealed over concern it could compromise the investigation. cbs news confirmed painkillers were found in prince's possession when he died and at the home. testing for the zika virus should soon be far easier. the lab company quest diagnostics said it's gotten emergency approval to sell the first commercially developed test. that should greatly expand screening for the virus. that's starting next week. a new map this morning shows hot spots for zika outbreak. texas to south florida but stretches to big cities in the north. severe weather again targeting central united states. parts of kansas and oklahoma could see powerful thunderstorms. heavy rain and large hail pounded the texas panhandle thursday. much of that area remains under a storm warning. at least one tornado barreled through central indiana, winds reaching 100 miles an hour damaged homes. >> a dust storm in southern arizona triggered a series of crashes along interstate 10. created zero visibility. no major injuries reported. the sheriff's office closed the highway for hours but the interstate is reopened this morning. they are designed to give health care workers the highest level of protection from ebola and other viruses. ahead, "60 minutes" investigates claims that gowns designed to a shakeup for uber passengers and drivers. >> ahead, how the company's tipping policy is changing after tipping policy is changing after a [ 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"seattle times" reports on amazon stocks surging in overnight trading after better than expected earning. the online retailer had first quarter profits of $513 million. it lost $57 million the same quarter last year. amazon had a revenue of $29 billion, with a b, and that's up 28%. profits boosted by cloud computing units and overseas sales of prime. "usa today" reports northern states are the most dangerous for drunk driving in the country. north dakota fourth, montana, idaho, wisconsin and south carolina. the company that tracks auto insurance rates compiled the statistics. "miami herald" reports on the 80 game suspension of gordon after he tested positive of the performance enhancing drug. the news came after he hit last night. hits and stolen bases. gordon was the first player to lead the league in both categories since jackie robinson in 1949. and our washington affiliate, wusa plans to raise the height of the white house fence to keep out intruders. it's currently 6' tall. secret service and national park service want to replace it with 11 foot fence. it would have have more sensors. construction could start 2018. that's too bad a few knuckles heads mess it up for everybody. the fence was so nice. you could see. you didn't feel like you can't -- you had some type of access. dispointing but important to do. this sunday on "60 minutes," anderson cooper investigations allegations an american manufacturer sold faulty equipment during an outbreak of the ebola virus. some of the equipment was purchased for government strategic national stockpile of medical supplies for use in future outbreaks and emergencies. here is an excerpt of anderson's report. >> reporter: if there's one thing that became evident in the ebola outbreak of 2014, it's that personal protective equipment properly used could mean the difference between life and death. you probably remember the tragic images from west africa and workers in biohazard suits trying to help without getting infected themselves. certain types of gowns were also used during the outbreak. nurses at this hospital in liberia used gowns and full body suits to protect themselves after two of their top doctors died of the disease. every day in the u.s., doctors and nurses rely on some of the same gowns the center for disease control recommended for ebola. one of them is the microcool surgical gown made by halyard health who sells 13 million worldwide including a quarter of the u.s. market. the microcool gown is supposed to provide the highest lechl of protection against blood born bacteria and viruses. an industry standard of level 4, which means it's impermeable so blood with viruses like hiv won't get on the skin during an operation. there's just one problem. >> what was wrong with the level 4 gown? >> they would leak. they would like when we pressure tested them, especially in the seams. >> halyard health questions the credibility of the former executive you just heard and denies the allegations the gowns were defective. for more of anderson's report, tune into "60 minutes" sunday right here on cbs. uber is clarifying its tipping policy. the car service settled class action against drivers. uber e-mails, tips are not included nor expected on uber. if you want to tip your driver, you're free to do so and drivers are free to accept. >> drivers can post signs reading tips are not included. they are not required, but they would be appreciated. the drivers' lawyers tell cbs, quote, i think this change will significantly affect the driver's pay because the public has been misled into thinking tips are included with uber. cbs news financial contributor mellody hobson in chicago and joins us to discuss. i think, a, most customers do believe it's included. and b, you don't have to have money. can you jump in the car and go. >> reporter: that's what they say, all about hassle-free experience, frictionless experience, get out and don't fumbled for your wallet. that's what they say really matters. my sources tell me there's a business reason. they are doing everything possible to keep those drivers classified contract workers, not employees. the tip could lead to a slippery slope in that regard, which would completely change their business model because of benefits. >> that's interesting. so the tip function on the uber app may complicate things having them as contractor employees. >> exactly, because that keeps is so simple. they also say, to be fair, that the driver likes the fact they know exactly what they are going to earn. the customer likes the fact they know exactly what they are going to pay, so that's part of the experience. but this business issue is also in there. >> how are we going to know how much to tip. the thing about uber, you get out of the car, you don't even know what you cost until you call it up on your phone a little bit later on. how is that going to work? >> that's exactly right, the other part of this. makes it more complicated, what lift is doing, right there on an app. it would be a guessing game and make it a little harder for the consumer to figure out. of course, then, it's cash. let me give you some advice. because you're gayle king, tip heavily. >> i always tip heavily, i do. i think that's very important. >> remember, tipping is somewhat of an american thing. uber operates in over 65 countries. so we're talking about convenient colliding with a social norm in our country. >> so can i ask you a question about this big merger between comcast and dream works? >> i know a little bit about it. >> i know you do. so comcast will become bigger than disney. >> i don't know if they will become bigger than disney but i think they got a really great asset. i'm biased because you know i'm chairman of the board of dream works. >> yes. >> we did know that, mellody. >> the question didn't come from nowhere. >> full disclosure. they paid a great, great price for a great company. >> jeffrey katzenberg is one happy boy. >> very happy. we'll go on to do other great things. >> thank you, mellody. >> mellody, you look happy this morning, too. good to see you. >> i got some sleep finally. >> you look good. thanks a lot. it's the collar. mellody's trademark. >> i didn't know what the collar was. >> whatever that thing is around her neck. i'm telling him a collar. >> set him straight, gayle. >> see, you mellody. coming up next, teaching charlie about fashion. >> that will take three days. a really interesting story we've got coming up, it's actually about ronald reagan's alzheimer's disease and whether it should be used by a comedy. growing backlash over a movie. harsh words for the star will ferrell from reagan's children. if you're heading out the door you can watch us live there all access app on your device. all access app on your device. you won't want i am benedict arnold, the infamous traitor. and i know a thing or two about trading. so i trade with e*trade, where true traders trade on a trademarked trade platform that has all the... get off the computer traitor! i won't. 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for powerful flea and tick protection, ask your vet about nexgard. the #1 choice of vets for their dogs and yours. for those who've missgone to extremespe. to escape their unrelenting nasal allergy symptoms... houston: news alert... new from the makers of claritin, clarispray. ♪ welcome back. clarispray is a nasal allergy spray that contains the #1 prescribed, clinically proven ingredient. nothing is more effective at relieving your sneezing, runny nose and nasal congestion. return to the world with new clarispray. two of ronald reagan's children expecting outrage over a planned comedy showing their family with alzheimer's disease. the movie starring will ferrell focuses on reagan's second term. it is touted as a so-called dementia comedy. josh elliot here with charges that it exploits alzheimer's for laughs. >> good morning. the movie is titled "reagan." the screen play has been widely praised. that hasn't stopped reagan's children from expressing their disgust that an illness as devastating as alzheimer's could be the premise for a hollywood comedy. >> i'm entering the race for president of the united states of america. >> comedian will ferrell has played a president before. you'll recall his trademark impersonation of george w. bush. >> i've personally overseen a strategic and covert operation that killed the gopher who has been tearing up my backyard. >> the new presidential roll didn't have the reaction he hoped. >> mr. gorbachev, tear down this will. >> he's starring in "reagan." the strategic competition "the black list" the script was named one of the most liked but unproduced screen plays. it offered this synopsis. when ronald reagan falls into dementia at the start of the second term an ambitious in intern tasked with convincing commander in chief he's an actor playing the president in a movie. there was a well received reading of the screen play with john cho and james brolin as reagan. >> this movie from everything we've seen is a comedic dromedy, not a typical falldown will ferrell comedy. it's a little more elevated, a smarter political comedy. will ferrell is doing a reagan impression, but it's not a "saturday night live" impression. reagan's daughter patty davis wrote an open letter to ferrell saying in part, "you intend to portray my father in the throes of alzheimer's for a comedy. i watched as fear invade my father's eyes. this man who was never afraid of anything. perhaps for your comedy you would like to visit some dementia facilities. i have. i didn't find anything comedic there. and my hope would be that if you're a decent human being, you wouldn't either. son michael tweeted, #alzheimer's is not a comedy to the 5 million people suffering from the disease. it first robs you of your mind and then it kills you. despite ferrell's involvement, "reagan" the film still has no director and no studio has given it the green light for production. >> i think there's a strong chance the film won't get made now. the outrage and president's children coming out saying they don't want it to be made i think that will have a detrimental effect. >> we did rich out to will ferrell and the man that wrote the screen play. both declined to speak with us. the black list, based on survey of executives from movie studios and production companies, some of the recent winners, "argo," american hustle, spotlight, "revenant." this is a contest judged by folks -- >> the question isn't how good it is, is it the right thing to do, i guess. on the other hand the question of free expression. >> the outcry yesterday perhaps has answered that question. >> i could see why people dealing with it wouldn't be interested in seeing the movie, take comedy of any kind. president obama has fun during a surprise visit to college reporters. >> i thought you were going to ask about basketball rings. >> because ted cruz got the basketball ring. >> we'll show you on-the-jo after 51 days of the pursuit of four bandits who chose a prius as their getaway car, a new development: prius owners from all over america have descended on the chase - hi! to play what appears to be an automotive shell game with authorities. ♪ it's total confusion down here. the prius 4 have literally vanished. they're just gone. 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>> hey, george. nice to see you. and good morning, everybody. gray skies across san francisco, with some clearing as we take a bird's-eye view out toward the transamerica pyramid in san francisco where the air temperature is at 50. it's a cool and breezy start. temperatures in the 40s and 50s. later today, we are going to call it partly sunny upper 50s to the mid- and high 70s. we are going with 79 to 80 degrees well inland towards brentwood, tracy, also the discovery bay area. warmer over the weekend. more seasonal by monday. wind advisory in effect by later tonight. ,,,,,,,, good morning to the viewers in the west. welcome back to "cbs this morning," real news ahead including violent protests overnight after a donald trump rally. video shows demonstrators targeting supporters and police, but first, here's today's eye opener as 8:00. >> protesters and supporters in the parking lot, mostly peaceful, until the event wrapped up, and that's when things got out of hand. >> boehner. >> vice president biden trying to push for a cure for cancer. >> reporting that russia and the u.s. have agreed on a partial cease fire. >> tunsil projected as thee best player, but it was happened minutes before the start of the draft that started a potential investigation. >> he set a car on fire, walking to the front door threatening to blow the place up. >> everything's possible if you keep the drivers, contract workers, not employees, and the tips, is it a slippery slope from that regard? >> i love that around your neck, whatever it is. >> it looks good. it's a collar. that's melody's trademark. did you hear that? whatever that thing is around her neck. here to help. >> up next, teaching charlie rose about fashion. >> i'm charlie rose. police in southeast los angeles arrested hundreds of demonstrators, windows smashed as the crowd became more unruly. >> that crowd included supporters and opponents leading to the violent. this trump fan was taken to the hospital after a first fight. many of the protesters were angry with trump's immigration proposals. inside the rally as trump talk about crime, a capacity crowd of 18,000 chanted support for a wall along the mexican border. >> in los angeles, homicides are up 10.2%, rapes up 6.8%. in this area, we're going to build that wall, folks. we're going to build that wall. that wall is going to be built. crime has increased 33% in the last year. what the hell is going on? i know what's going on. so these are all horrible numbers, depressing numbers. okay. >> expect up to 3,000 protesters this afternoon when trump speaks to the california republican party near san francisco. former house speaker boehner plans to vote for trump and says ted cruz is the devil. it's one more sign the republican establishment accepts the likely nominee. boehner called trump a friend, that he played golf and texted with. he says they have not spoken during the campaign. then boehner let loose when someone asked about ted cruz. >> lucifer in the flesh. i have so many democrat and republican friends, i get along with everyone, but i've never worked with a more miserable son of a [ bleep ]. >> he said, quote, coming from the godfather of the washington cartel, that is a ringing endorsement. >> i wonder if boehner knew he was recorded. it was candid comments. >> knew he was not on camera, but there's audio recordings. >> he's alive in today's world. >> that's true. anyone with a phone has the capability. washington mixes with hollywood tomorrow night. this will be the obama's last appearance there as president and first lady. this event celebrates the accomplishments of the white house press core and gives the president a chance to roast some of the reporters. margaret is at the white house with the punch lines from over the years. good morning. >> reporter: good morning, this is one of the oddities of american politics a night when the commander in chief is required to be a standup comedian, and this will be president obama's final performance as a sitting president, and he's going to try to have the last laugh. >> now that i'm here -- >> reporter: jokes ranging from self-deprecating. >> tonight, i want to speak from the heart, i want to speak off the cuff. >> reporter: to partisan. >> these days, the house republicans give john boehner a harder time than they give me. which means orange really is the new black. [ laughter ] >> reporter: it's a night where the president becomes comedian in chief. >> i believe we're in america where they come together, republican and democrat and john mccain. [ laughter ] >> over the last few months, i lost ten pounds. where did they go? >> reporter: the press is a common target. >> msnbc is here. [ audience reacts ] they are a little overwhelmed. they never have seen an audience this big before. >> it's one of the constructive outlets for the political road rage. >> reporter: he wrote jokes for many of obama's correspondence dinner speeches and says humor diffuses the sharpest political fights. >> tonight, for the first time, i'm releasing my official birth video. >> reporter: in 2011, president obama skewered critics like trump who raised suspicions about his kenya ancestry. >> donald trump is here tonight, and no one is prouder to put this birth certificate matter to rest than the donald. that's because he can finally get back to focusing on issues that matter like did we fake the moon landing? >> do you think the president elevated donald trump to his level by spending so much time making fun of him? >> well, humor is such a powerful tool for a lot of reasons, but one is that it's absolutely a dagger you can stick in your opponents. >> the pressure on the professional kmeed cans to keep up. >> mr. president, remember when the country rallied around you in hopes of a better tomorrow? that was hilarious. [ laughter ] symptom some say jokes cros line. >> oh, they are just rearranging the deck chairs on the titan tick. it's not sinking. this administration is soaring. if anything, they are rearranging the deck chairs on the hindenberg. >> steven cobert, the goal was not to be asked back. >> reporter: al franken gave the keynote twice in 1994 and 1996. >> there's a little trick in navigating this because there's people in washington who live to be offended. >> reporter: president obama will have fun in the extent of those racie inine inine ining s. >> one making millions of dollars a year is now living out of a van in iowa. >> reporter: it doesn't appear that hillary clinton will be attending this year, but a rival, berneny sanders, will go as a guest of cbs. for the republicans, neither cruz or trump plan to attend, but it's a safe bet to say that won't save them from good natured ribbing. >> looking forward to it. i know we'll see you there tomorrow night. looking forward to it. that's the fun is the president's speech, and larry, this time, being the guest host, see what they do. it's fun as long as it's not targeting you. if it's you, then, yeah. >> it's going to be a great evening. >> we'll be there. >> the swan song for the president. >> looking forward to it. can't wait. employees chose not to kill an endangered tiger who mauled a trainer. ahead, a top zoo official defends a decis ahead, a deadly mystery with an unusual twist. >> a teenager murdered on a california beach, and another, 30 years later, two suspects, one of them worked inside the very police department investigating the case. that's coming up on "cbs this morning." ,,,,,,,,,, a florida zoo official defends his employee's actions after a deadly mauling this month. an endangereded tiger killed a trainer, and employeers tranquilized the animal in the attack rather than killing it. he was at the palm beach zoo with the reason behind the decision, david, good morning. >> reporter: good morning, zoo officials, first responders found the 13-year-old tiger over stacey, hovering like a wild animal does over prey, ears pinned back, and the decision to shoot and kill the tiger came down to this. the animal was so close, they were worried if they shot at the tiger to kill it, they might hit stacey. >> if this were the last animal of its kind and a human life in danger, we would kill the animal if it were the right decision. >> reporter: the palm beach zoo president and ceo defended employees thursday insisting their priority was saving the trainer. >> the animal was within inches of stacy's body. if we shot the animal, there was a chance we hid the trainer. >> reporter: they chose to tranquilize it rather than kill it, a decision they say was made in less than a minute. >> if you're in a cement walled area, that bullet can go anywhere. >> reporter: animal planet's dave -- >> they are strong and lee tlal. >> reporter: he was attacked on april 15th when she entered the tiger's sleeping den, which is known at the zoo as the night house. maintenance workers could hear her screaming. >> you know what injured? >> yes, ma'am, it's a tiger. >> reporter: zoo officials claim after approximately 7 minutes on the scene, zoo responders shot the tiger with a tranquilizer gun. the drugs did not kick in for three minutes. it took ten minutes for first responders to reach her. by then, she had no pulse. >> we try to give the tigers something new. >> reporter: officials do not know why stacy, and experienced zoo keeper would walk into the enclosure alone without radioing her partner to say she was going in. >> we have the best protocol in place, we know, as soon as we enter an enclosure with a dangerous animal, something bad could happen. >> reporter: thursday, he was overcome with emotion talking about her, whose husband, jeremy, is also a trainer at the zoo. >> jeremy lost his best friend, his partner, his soul mate, zoo family lost a beloved colleague. >> the zoo has a new rule, if you go in the den, you have to go in with somebody else. she was about to take a job at the fda. in fact, the day she was attacked and killed by the tiger, the zoo counter offered. they really wanted to keep her. >> such a tragic story. sounds like there's new rules in place, which is a good thing. very sorry that happened to the woman. thank you very much, david. urban garden gives new meaning to the phrase "from farm to table," we'll explain. you're watching "cbs this morning." like this. feel like this. with dreamwalk insoles, turn shoes that can be a pain into comfortable ones. their soft cushioning support means you can look like this. and feel like this. dreamwalk. i think we should've taken a tarzan know where tarzan go! tarzan does not know where tarzan go. hey, excuse me, do you know where the waterfall is? waterfall? no, me tarzan, king of jungle. why don't you want to just ask somebody? if you're a couple, you fight over directions. it's what you do. if you want to save fifteen percent or more on car insurance, you switch to geico. oh ohhhhh it's what you do. ohhhhhh! do you have to do that right in my ear? unless you have allergies. then your eyes may see it differently. flonase is the first and only nasal spray approved to relieve both itchy, watery eyes and congestion. no other nasal allergy spray can say that. when we breathe in allergens our bodies react by over producing six key inflammatory substances that cause our symptoms. most allergy pills only control one substance. flonase controls six. and six is greater than one. more complete allergy relief. flonase. 6>1 changes everything. ♪ all aboard! >> in the glory days, the pullman rail cars were made on chicago's south side. when the factory closed, the neighborhood declined. now as adrianna diaz discovered, a new type of industry is picking up steam, and people around pullman are seeing green. >> reporter: these boarded up ruins are a bleak reminder of pullman's grand industrial past. now something unexpected is sprouding here. when you were making initial calls to establish the facility here, were a lot of people like, you want to what? you want to do it where? >> a lot of head scratching, yeah. >> reporter: about who would ever want a farm of all things in pullman. ceo of gotham greens runs the nearly two-acre, $8 million greenhouse on the roof of a factory in the heart of pullman. >> this is a hydroponic facility. >> reporter: he says the facility is the largest of its kind in the world. it outsmarts the seasons controlling things that bedeviled traditional farmers like weather, humidity, light, and pests. since it opened last year, roughly four dozen employees work year round growing nearly ten million heads of greens and herbs annually. he hopes it spreads to the economy. >> we want to be in areas where we can create jobs and bring back manufacturing, small-scale manufacturing. >> reporter: was it hard when you were looking for work? >> yeah, very hard. there's nothing out there. >> reporter: erin gomez lost her factory job last year. she was out of work for months before she got a fresh start here. >> it wasn't for this, i do not even know it i'd be working now. >> my great grandmother once worked in the pullman company's laundry in the factory site. >> reporter: greenhouse supervisor mike mchappen is a proud third -- mcmahon is a proud third generation at pullpan. >> an untapped resource. >> reporter: urban farming can be risky. while similar ventures have failed, he hopes staying local will breed success. the farm uses solar power, recycled water, and only supplies to stores within an 80-mile radius like this whole foods. >> most of the produce we eat in the united states, particularly salad greens and herbs, come from california. by eliminating all of that transportation, we're eliminating the associated emissions. >> reporter: is the produce just as good as what is grown in the farms? >> this produce is better than what's grown in conventional farms because it's fresher. >> reporter: the lettuce costs more than most you'll find in the store, around $4 a package. it makes it to places like pullman cafe within hours, not days. it's enough to please lower an pro their u of the local gardening club. >> tender as opposed to something designed to travel. >> reporter: is this something the neighborhood needed? >> absolutely. >> reporter: for "cbs this morning," adrianna diaz, chicago. >> a terrific story. >> what kind of lettuce was that? >> i think boston bibb. >> i like that. >> nice. >> great. great creativity. >> yeah. all right. >> making jobs there, too. he's the man behind the curtain at the ted talks, curator chris anderson in our toyota green room. good morning. >> how are you? >> hello! he'll reveal the secrets of the wildly popular speaker series and what you can learn about sharing your yesterdays with the world. that's ahead. friend of a homicide suspect tells us..."hasi t in his home for nearly good morning, it's 8:25. time for some news headlines. in san jose, the friend of a homicide suspect tells us hasib golamrabbi hid out in his home for nearly 24 hours after the man allegedly killed his parents. >> a string of wine fests may be over for good. two bay area men have just been charged with conspiracy to transport stolen goods accused of stealing high-end wine from two restaurants. coming up on "cbs this morning," a new study shows 50% of americans think it's important to buy locally grown food. stay with us. traffic and weather in just a moment. ,,,,,,,,,, you're watching the "kpix 5 morning news." here's a quick traffic update from the "kcbs traffic center." no major problems right now. and at the bay bridge hardly any backup at all. so the drive time from the carquinez bridge is 30 minutes means slow going on the eastshore freeway. look at the south bay freeways. essentially incident-free here but heavy on 101. notice all the red on the roadway sensors there. and some slowing for highway 85 through the west valley. the nimitz getting bogged down now from san leandro into downtown oakland. about 31 minutes for your drive time. and speaking of the nimitz freeway, bear in mind that later tonight, we're going to have the a's game at 7:05 as they meet the astros. this means plan for heavier- than-usual traffic on the nimitz. roberta? >> and you can plan on ma manaea on the mound for the good guys. looking at our live weather camera now we are looking out from the transamerica pyramid looking south nothing but blue skies out there. partly sunny today. right now we are in the 50s. today daytime highs 50s, 60s through 70s. maybe about 80 degrees towards the brentwood, tracy, oakley and discovery bay areas. northwest wind 20 to 30 miles per hour gusts to 45. so wind advisory goes into place tonight through saturday morning. warmer and less winds on the weekend. ,,,,,,,, ♪ welcome back to "cbs this morning," and coming up in this half hour, what's it take to appear at a ted talk. ted helps big names and complete unknowns share knowledge. he will show us how we can all learn to be good public speakers. this morning's headlines, bloomberg news reports that facebook spent $12.5 million since 2013 on security for ceo mark zuckerberg. last year, the expense was three times what amazon spent for besos. the company told regulators they were responding to specific threats. the cost includes guards and equipment to protect the facebook's chief's home. beyonce turns criticism into cash on her new tour. a t-shirt reading "boycott beon say" was merchandise at the concert. they called for a boycott of the show saying her super bowl show put cops in a bad light. they said the event was fully staffed by officers who volunteered, and she says as those who perceive it as antipolice is mistaken, and those shirts are $40 a pop and flying off the shelf. a child on a tour caused a minute of dead air in npr's morning edition on some stations when a boy touched switches on a control panel yesterday in take our sons and daughters to workd workday. they took a picture of the kids before it happen. a spokeswoman said the day was educational for kids and staffers, and everyone learned something from that event yesterday. >> ironic it happened on that day of all days. it's fun, though. it's a mistake. >> good idea. >> yes. ted is a platform for ideas, a place where people give speeches about almost any topic you can imagine. it began as a 1984 conference and now a global phenomena. ted talks are viewed about 1 billion times each year online at no charge. they have been translated into more than 100 languages. here are some of the most memorable yet. >> what ted celebrates is the gift of the human imagination. >> let me start by telling a story. >> i'll talk to you today about laughter. ♪ >> what are ideas? ideas can spark a movement. >> what do the minds of the powerful versus the powerless look like? ♪ awhile ago, i tried an experiment. for one year, i would say yes to all the things that scared me. >> this is a real human brain. >> why do happy people cheat? >> at the age of 22, i fell in love with my boss. >> zuri, hey, how you doing? >> there's more money put into baldness drugs than malaria. >> it's exceedingly likely my greatest success is behind me. what a thought. >> everyone who speaks at ted tells a different story that life is not linear, it's organic. chris anderson is the curator of ted, the book called "ted talks: official ted guide to public speaks," welcome, good to see you. >> good to see you, charlie. >> tell me what it is you think the appeal of ted talks is? >> i think it's just information that matters to people condensed. you know, it's compressed so you hear it pretty quickly. you don't get bored, but in a language you understand. >> what's the art of doing it well? >> well, there's no one way to do it well, but i think the start point is for the speaker to go, you know what? this is not about me. i have a few minutes about the audience, speak in service of an idea that they need to know, and so to spend the time -- think of it as a gift and then trying to rebuild an idea that matters to that speaker inside the minds of the people listening. >> but public speaking for so many people is terrifying. >> terrifying. >> you believe anybody who has an idea that they believe is worth sharing is capable of giving a good talk? >> i do. i do. >> you do? >> it is terrifying, but if you can sit around a table at a dinner party and just talk to people about what you've done, you can give a talk. that's what talk -- the best modern talk is conversational. you don't have to be a big or ray tor. just say something in an authentic way. the key is to have something worth saying. that's what matters. >> don't tell everything you know, chris, that's a mistake people make? >> that's right. if you have a limited amount of time, cut back when what you want to say to one thing to say it properly and explain it. >> that's where the value added from what you and your team do to help people get there. >> figure out the focus and how to make that thing really vivid and make it flow. >> i love you say there's no rules to a great speech, but this book gives people the tools to make a great speech. what are some of the tools? >> well, once you've got that first one, my goal is a gift of an idea and compressed down to one idea. first, everything in the talk needs to relate to that. have a through line that connects everything. and then, you know, you start by making a human connection because people don't like it when people come up unannounced and poke around in their minds and then look around for permission. do i trust you? do i like you even? you know, come on, i don't know, smile, and then show where you're going, why does this matter? why should you care? if you spot curiosity, then you build the idea and just use language that the people understand. you're going to have to use the pieces that are already in their mind to build the idea there. >> it's good to have an open and close. people start with, it's an honor to be here, i'm thrilled. boring. don't thank the boss's wife. a good open is important. you quoted jamie oliver, a great example. >> yes. he cares about diet and obesity, and a speaker says, okay, let's talk about these issues that really matter and start quoting stats. whatever. he came on and said, this was the opening sentence, like, in the next 18 minutes, four americans are going to die because of the food they eat. boom. he's got you. you have to listen now. >> that's how long the talks are, 18 minutes. >> 18 minutes. >> how did you determine 18 minutes? >> it's a natural human attention span. it's hard to persuade people to concentrate for more than that, but it's long enough to unpack an idea to say something that matters. >> you, you know, in reading this, you said a talk is more powerful than anything in written form. there's now this renaissance of public speaking. i love you talk, too, about presentation literacy is something that should be taught in schools. >> well, i really think is should because what's changed is that ten years ago, there was this moment where all ancient art -- it is an art, public speaking, could scale. it was captured on video and shared around the world. there's a reason to get good at it now. ids of the future are likely to get ahead, not by writing a letter to the editor or a written resume, but figure out how to present themselves, record it on video. send that. presentation does matter. >> so brilliant. >> yes. >> it's a skill that can help you climb any mountain. >> the book is so interesting, chris. >> so well done. >> i mean, i just think a lot of people are fearful of it and think i couldn't do it, but with a bit of effort and taking the time to prepare and rehearse, you actually can. >> you can do it. >> chris anderson, thank you, "ted talks" on sale tuesday. the murder of two teens years apart on the same california beach stumped investigators. then a dna breakthrough pointed to a law enforcement insider. that before earning enough cash back from bank of america to buy a new gym bag. before earning 1% cash back everywhere, every time and 2% back at the grocery store. even before he got 3% back on gas. kenny used his bankamericard cash rewards credit card to join the wednesday night league. because he loves to play hoops. not jump through them. that's the excitement of rewarding connections. apply online or at a bank of america near you. >> tomorrow night, the mystery of two teenage girls murdered on the same california beach six years apart. details of the attacks were strikingly similar. investigators were conventioned they were connected. decades later, dna revealed connections. one worked in the police lab. here's a preview of the report. >> reporter: august, 1978, this 15-year-old was found murdered on torrey pines state beach near san diego. barba barbara's sister, sue, cannot forget that day. >> my dad looked at me and said, your sister's been murdered. i didn't find out until years later how bad it was. >> camping with her boyfriend, jim alt. she was sexually assaulted, beaten, strangled, and mutilated. he had been severely beaten and was in a coma for days. >> this was a serious life threatening attack? >> yes, sir. i almost did not make it. >> reporter: six years later in august 1984, 14-year-old claire huff found murpded on the same beach. her best friend, kim, was with her a few days earlier. >> i think about her just about every day. she was my best friend. >> reporter: details of the attack were strikingly similar to barbara's, both slashed in the chest, which led original investigators to conclude the same killer was responsible. >> how much evidence was there? how many leads? >> not any at all, really. >> reporter: so the cases eventually grew cold. in 2012, advanced dna testing on evidence taken from claire identified two suspects. blood was linked to a convicted rapist named ronald tetro, but the other dna was linked to a man police knew, kevin brown. he was a former criminalist in the san diego police lab. >> in my deep core i know he never killed anyone. >> reporter: rebecca brown insists her husband was wrongly accused. >> he didn't go after teenagers. i knew they were wrong. >> reporter: they believe brown had a dark side when he was a bachelor, he frequented strip clubs and liked taking risque pictures of women. the defense argues the case is built on mistakes, misinterpretation, and misinformation. >> the scope of what happened to these poor young women who were brutally sexual assaulted and murdered is quite different from going to a strip club or going into a porn shop. >> this is a man who didn't have a mean bone in his body. >> reporter: what possible connection could a criminalist have to a violent convicted rapist? did the police get it wrong? >> richard joins us at the table. a good teaser. >> did the police get it wrong? >> sounds like a "dexter" episode. >> that occurred to us too. it was a complicated case, and you'd think dna would help, but it raised more questions. the police were convinced the cases were connected because of the similarities in the crime, but wait until this unfolds. >> what's the big question here? >> the big question is how could this mild mannered criminalist hooked up with a really violent rapist? there was no evidence that they did, the police spent a lot of time looking into that, and i'm not going to tell you how it turned out. >> maybe it was the mild mannered criminalist. >> thank you. >> watch the full report, "blood in the sand" tomorrow night on "48 hours" at 10/9 central here on cbs. up next, all that mattered. you're watching cbs. if this is playing the woman card, then deal me in. >> you consider yourself the nominee? >> here's the front page of the philadelphia inguyer, hkt on the fast track. >> expanding the military presence inside of syria. >> we're not going to be leading the fight. >> north korea? >> their leader is irresponsible enough that we don't want them getting close. >> the tornado ripped the roof right off of it, but the rest of it is believed to have gone on to strike another building nearby. >> investigators explore everything. >> we have multiple crime scenes. >> eight people and a family that were murdered. ♪ >> it appears that prince and death may have no control over his estate. >> he was allegedly caught flying while intoxicated. >> no comment. >> anything to say to the passengers? >> no comment. >> whether tom brady knew anything about under inflated footballs. >> all fans want to know, what happened? >> i think this is the end of the matter, and we're moving forward. >> oh, i'm kicking and taking over the republican party, knocking it down, and putting up the condos. >> i know two girls that i just adore. i'm so happy i can see them more. ♪ ♪ they don't love you like i love you ♪ ♪ slow down they don't love you like i love you ♪ >> i could have used that bat back in the 1990s, just saying. i don't know remember the details, but i could have used that bat. ♪ what a wicked way to treat the girl that loves you ♪ ♪ >> the one and only charlie rose. >> the socks is the worst part of every day. >> you think yourself of an ordinary guy? >> i think it's because i'm an ordinary guy that i can tell the story of an ordinary guy. >> paul ryan, trying to m ee tv. >> charlie! he comes sprinting out of the elevator. >> wow, you're dropp it like it's hot, charlie. ♪ >> hey, if you toich one hair on my cat's head, i will kill you! >> all that -- >> you're in the corner. >> so you want to killer? >> you're the killer. >> a significant beast. >> and all that matters -- >> do you have a tattoo? >> no. >> charlie? >> i'm getting one. >> on "cbs this morning." >> it's spelled ga-y-l-e. ♪ ,,,,,,,,,,,, burlingame are getting readr protests... as the californ republican c good morning. it's 8:55. time for news headlines. police in burlingame are ready for protests as the california republican convention starts there in a couple of hours. presidential candidates john kasich, ted cruz and donald trump will be there. trump speaks at noon today hours after anti-trump protests in orange county got out of control. tomorrow is the last day for business for an oakland deli around for 90 years. genova has been there since 1996. a rent dispute is part of the reason for the closing of the deli but the family that owns the business may look for a new location. here's roberta with the forecast. >> cloudy this morning and now clearing out. we take a births eye view out towards the transamerica pyramid -- a bird's-eye view out towards the transamerica pyramid. we still have clouds offshore so therefore we are going to call it partly sunny today. 50s today from the coast through our inland areas. today we're looking at a wind advisory to go into effect towards the evening hours. the northwest winds will blow 20 to 30 miles an hour for the fifth day. tonight wind gusts up to 45 miles per hour. highs in the 50s through the 60s into the mid-70s. forecasting an outside number of 79 through 80 degrees in the brentwood area. otherwise, tomorrow gradual warming takes place. the warmest day of the weekend is sunday with mid-70s at the beaches. 80s bayside to mid-80s away from the bay. seasonal by monday through thursday. we have a look at traffic with george that's up next. here's a traffic update live from the "kcbs traffic center." as we are tracking a new accident here, this time it's in mountain view on 101 in the northbound direction and embarcadero road. even though the crash is only on the northbound side, it is affecting the traffic in both directions. look at this bay bridge ride. it's beautiful. no delays right now. wayne: yes! whoo! - money! wayne: ey! jonathan: it's a trip to iceland! (screams) wayne: you've got the big deal of the day! - let's make a deal! jonathan: it's time for "let's make a deal". now here's tv's big dealer, wayne brady! wayne: hey, everybody, welcome to "let's make a deal." i'm wayne brady. thank you so much for tuning in. right now you know what i need? i need one person. let's make a deal. who's going to be the lucky person? that's going to be charlotte, charlotte the doughnut, charlotte the doughnut. charlotte the doughnut. come to me, come to me. yes. everybody else, have a seat, sit down. charlotte, you've got sprinkle

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