special counsel. confidantes of the president say this presents yet another conflict for mueller. dennis rodman arrives in north korea as an american imprisoned there flies home in a coma. and later, ejected from the driver's seat at uber.

for some insight into this, let's bring in our correspondent and host of "face the nation," john dickerson. what are the take aways from today? >> you have to think of it in terms of three different investigations. in terms of the mueller investigation, the attorney general said that was a worthwhile, useful investigation in that it looked at russia meddling in the election. that's not something the president has been full throated about. the second is this question of collusion, russians plus the trump campaign. that was the series of questions where the attorney general got quite heated about his meetings with russians. that's where he was most forceful in defending himself. then obstruction, did the president fire james comey because he wanted him to stop the investiga.

an and on that, the attorney general didn't say much about that. he was not answering the questions. >> we saw in nancy's piece, the attorney general declining to answer many questions. where does that go from here? >> he's asserting a privilege the president has not asserted. he's saying the president could stay assert privilege. what would happen is the congress would have to hold him in contempt. there are republicans running congress. they are not likely to do that. the president would have to exert executive privilege and the courts would have to deal with it. but for now he's not talking much and there are other officials as well. now jeff pegues brings us up to date on the russia investigation. >> i know nothing but what i've read in the paper. >> reporter: attorney general jeff sessions said today he still has not been shown the evidence of russian meddling in last year's election. >> i've never

detailed briefing on how a hacking occurred or how information was alleged to have influenced -- >> between the -- >> reporter: the intelligence community, including the fbi concluded late last year that the russian government cyberattacks were designed to help the trump campaign. now cbs news has learned those efforts were even greater than previously reported. during the final weeks of the campaign, former u.s. officials say hackers tried to gain access to voter databases in more than two dozen states. >> this is the first time we're aware of that anyone has ever successfully gotten in. >> reporter: in illinois, the hackers were successful. ken menzel is with the illinois board of elections. >> we're highly confident that no records were deleted or altered or added. >> reporter: but former u.s. officials say they can't be sure that voter registration data in some sta w

one source says up to six key battleground states, including florida and wisconsin were at risk. before folks realized it was a real problem, the source says it was a real problem. last week, fired fbi director james comey warned that the cyber assault could happen again. >> oh, it's a long-term practice of theirs. it's stepped up a notch in a significant way in '16. they'll be back. >> reporter: u.s. officials still say they do not believe the hacks impacted the outcome of the election. even though he has not been briefed, he says the u.s. does not have a sufficient strategy to deal with cyberattacks. >> jeff pegues, our man on the investigation from the beginning, thank you. the jury in bill cosby's sexual assault trial deliberated for a second day. today they reviewed testimony the entertainer gave more than a decade ago in which heit

he is charged with drugging and molesting andrea constand. he claims it was consensual. he is 779 and could face ten years if convicted. two inmates are on the run. >> reporter: about 70 miles east of atlanta, a pair of inmates riding on this prisoner transport bus somehow seized the guards' .40 caliber glock pistols and murdered them. killed were chris f killed christopher monica and officer billue. >> they need to surrender before we find them. i saw two brutally murdered corrections officers, that's what i saw. i have their blood on my shoes. >> what is your biggest worry at this point. >> my biggest worry is that they're going to kill somebody else. that's my biggest

>> reporter: the escapees are ricky debose and donnie russell rowe. both were serving time for violent felonies. they later car jacked a green honda civic and disappeared. the transport bus resembles a school bus but with a caged door and windows that separates the inmates from the driver. the inmates somehow managed to get through. georgia corrections director dozier. is it locked? >> it's locked. >> at some point think managed to get through and overpower the guards. >> that's true. >> reporter: the murders were recorded by an on-board camera. the two escapees broke into a house, stole clothes, left behind their prison whites and hit the road again. these two prisoners may try to go out in a blaze of glory. >> mar

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to ohio in a coma, after almost a year and a half in north korean custody. the north koreans claim he fell ill in prison, butt circumstances of his illness, if that's what it is, remain unknown. warmbier was sentenced to 15 years after a one-hour trial. he flew out on the same day that nba player dennis rodman arrived, and ben tracy is following. >> i beg for forgiveness. >> reporter: we last saw 22-year-old otto warmbier last year. >> i never should have allowed myself to be allured by the united states administration to commit a crime in this university. >> reporter: the university of virginia student was sentenced to 15 years hard labor for allegedly stealing a propaganda poster that featured the late leader kim jong

it was called an act against north korea. >> the state department has secured the release of otto warmbier. >> reporter: rex tillerson credited president trump with securing the student's release. but it happened bizarrely, the same day dennis rodman landed in north korea. he has now traveled there five times and says he considers north korean leader kim jong un a friend for life. ♪ happy birthday to you >> reporter: in 2014, rodman even sang "happy birthday" to him. en route today, he said he was returning to quote open a door and that president trump would be happy about it. >> now the trump administration says dennis rodman had nothing to do with warmbier's release. but dennis rodman and president trump are friends from their days on the "celebrity

apprentice." no word on the three other americans still being held by north korea. coming up, steering uber away from controversy.

60% of women are wearing the w...experience leaks. introducing always my fit. find the number that's right for your flow and panty size on the top of any always pack. the better the fit, the better it protects. always. the ceo at uber is going on leave. the board of directors is blaming him for a toxic corporate culture. >> reporter: embattled ceo of uber announced he was

break and saying quote, i need to work on travis 2.0. uber has grown as a challenge to the taxi industry in over 500 cities around the world. but in the last year, the company has faced crisis after crisis, including accusations of stealing self-driving technology from google and protests by drivers. >> i lost $97,000 because of you. i bankrupt because of you. >> reporter: in a widely-seen video earlier this year, he argued with an angry uber driver. >> some people don't like to take responsibility -- >> reporter: he described his impatience to charlie rose last year. >> we are generally a little forward leaning when it comes to trying to make progress happen. >> reporter: he described corporate values like always be hustlin', and principled confrontation. and adopting values that are more

teamwork and mutual respect. jeremy robinson leon says his exit and the holder report are just the beginning of changes uber is likely to need. >> the overall narrative has shifted so far out of uber's favor that without big corrective action it's going to be impossible for uber to achieve a true reset. >> reporter: when he returns to uber headquarters, his role will be somewhat diminished, the recommendations released today call for a chief operating officer to take over many of his responsibilities. last night three americans killed in afghanistan were flown home to dover air force base in delaware. dillon baldridge, eric houck and william bays. all three were shot by a taliban infiltrator in

war. and we'll be right

kevin durant was a slam dunk for mvp in the nba playoffs. he averaged 35 points a game. as the golden state warriors clobbered the cleveland cavaliers. but lee cowan has discovered there are really

>> what was last night like for you? >> that was 100. it really was. >> reporter: last night was about more than winning. for kevin durant, it was the fulfillment of a promise he made to his mom when he was just 8 years old. >> i can remember that conversation. >> reporter: is that why you kept pushing him so hard? >> because i knew he wanted it. >> reporter: she had kevin at just 21. she worked at the post office outside washington, d.c., struggling to provide for him and his older brother tony. >> there were many nights that i didn't know how we were going to make it. >> reporter: where did you find that strentd. they had you. you didn't have anybody. >> i couldn't quit. and there were times i wanted to quit. and i often said the sacrifice for me personally was not dying. that's what i sacrificed for my kids. not, not checking out on them. >> reporter: so how did you bring yourself back from

>> because i had them. >> reporter: they were everything. yeah? >> they needed me. >> reporter: there aren't usually words for that kind of sacrifice. but durant found just the right ones when he gave his mom a tearful shoutout at his acceptance speech for the most valuable player award three years ago. >> when you didn't eat, you made sure we ate. you sacrificed for us. you're the real mvp. [ applause ] >> reporter: even for a nba champion, being a mama's boy couldn't feel any better. how do you top last night? >> win another championship. >> reporter: lee couwan, cbs news, oakland. that's "cbs overnight news" for this tuesday. for some of you the news

continues, for others, check back an a little later for cbs this morning. this is the "cbs overnight news." welcome to the overnight news. i'm don dahler. the eyes of washington and much of the nation turned to the senate intelligence committee for the sworn testimony of attorney general jeff sessions. he was grilled on what he knew about russian influence on the presidential election, his meetings with russian officials as well as the firing of former fbi director james comey. nancy cordes reports. >> i mean, what is this? >> reporter: under oath, the attorney general said he is being smeared by suggestions that he had an undisclosed meeting with the russian ambassador last year. >> mr. comey said that there were matters with respect to the recusal that were problematic and he couldn't talk about them. what are they?

they are none, senator widen. there are none. i can tell you that for absolute certainty. >> we can, we can -- >> you tell, this is a secret innuendo being leaked out there about me, and i don't appreciate it. >> reporter: sessions has acknowledged what he says were two brief routine meetings with sergei kislyak but says he does not recall a reported third encounter at d.c.'s mayflower hotel after a trump campaign speech. >> certainly, i can assure you, nothing improper, if i had a conversation with him, and it's conceivable that that occurred. i just don't remember it. >> reporter: his former senate colleagues asked sessions about a meet being in february. comey says that the president dismissed everyone but him. florida senator marco rubio. >> do you remember feeling like you needed to stay? >> i do recall being one of the last ones to leave. he expressed concern to me about

and i agreed with him, essentially, that there are rules on private conversations with the president. >> reporter: several senators pressed sessions to explain why he got involved in comey's firing, even after he had recused himself from the fbi's investigation into russian election meddling. >> it is absurd, frankly, to suggest that a recusal from a single, specific investigation would render the attorney general unable to manage the leadership of the various department of justice law enforcement components. >> reporter: the firing could spark an obstruction of justice investigation, because the president has said the russia case was a factor. >> and i guess i'll just have to let his words speak for himself. >> reporter: answers like that frustrated democrats who accused sessions of stonewalling about his conversations with mr. trump. >> h

executive privilege in regard to your testimony today. >> he has not. as a constitutional -- >> i understand, but the president hasn't asserted it. >> i am protecting the right of the president to assert it if he chooses. >> reporter: sessions says he recommended comey's firing because of his handling of the clinton e-mail case last year. still, one top democrat said perhaps sessions and other top officials should be held in contempt of congress if they won't answer these questions about the president. an associate of donald trump says the president is considering firing special counsel robert mueller who's leading one of the investigations into russian middling. a top official at the justice department says that's not going to happen. margaret brennan reports. >> i have a lot of confidence in bob mueller. i think it was a good choice. >> i think the best choice would be to let

job. >> reporter: paul ryan and mitch mcconnell announced support for robert mueller, investigating allegation of russian and trump collusion. it was suggested by chris ruddy yesterday on pbs. >> i think he's considering, perhaps terminating the special counsel. i think he's weighing that option. >> reporter: on cbs this morning, former house speaker newt gingrich who initially said he was a fan of mueller accused him of picking politically biased investigators. >> his first four attorneys are all democrats. one worked for the clinton foundation. he apparently couldn't find a single pro-trump attorney to hire, and i think that's a rigged game. >> reporter: mueller will also explore whether the abrupt firing of comey in may was an attempt to disrupt the fbi's russia inquiry. in order to dismiss mueller, the president would have to get consent from deputy attorney general rod rosenstein.

good cause for firing of special counsel mueller? >> no, i have not. >> reporter: president trump ignored questions about mueller's fate. >> thank you. thank you very much. >> reporter: attorney general jeff sessions, who has recused himself from the russia investigation did little to clarify the president's thinking. >> do you believe the president has confidence in director mueller? >> i have no idea. >> reporter: but he didn't join the attacks on mueller. >> you would not take any actions to try to have special investigator mueller removed? >> i wouldn't think that would be appropriate for me to do. a new study shows that many mid-sized suvs do a poor job of lighting the road at night. of 37 models tested only two received good reviews. kris van cleave has more. >> reporter: the federal standards for headlights are set in the lab, not on the roads, and this testing is showing that many just don't perform all that well. this dodge journey was one that rated poor. and the concern with the poor-rated headlights is

down the road in time for you to avoid it. look closely. can you spot the person crossing the road. they're virtually undetectable in the lights of this kia soren toe which rated among the worst. a research engineer. >> when i say the kia soren toe, 35 miles per hour is about the fastest you should be driving with your low beams on. >> reporter: headlights on the volvo xc-60 scored the highest. it can make out deer 200 feet down the road. the volvo's headlights also won't blind oncoming drivers. >> if you are involved in a crash at night with better headlighting you m headlights, you may have avoided that collision. >> reporter: they did tests for

underperformed. in this round, researchers evaluated 37 suvs with 79 possible headlight combinations. when fitted with their best-performing systems, 11 models rated poor. only two got top marks, the volvo xc-60 and hyundai santa fe equipped with optional curve adoptive headlights. >> take a look at roll over and crash protection, air bags. >> reporter: the iihs test is not mandatory in all the vehicles meet or exceed federal standards. car makers are beginning to make changes to headlight design, the institute says, because of this testing. we reached out to all the companies that received a poor rating. most are investigatinghe

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the battle against aids is now nearly two generations old. it was 36 years ago that acquired immune deficiency syndrome first got the attention of the medical community. since then, science has come up with a way to control the disease, but a cure or vaccine is still far off. rita braver has that. >> reporter: when 31-year-old dean karas hits the bars, he maybe strikes off a new relationship. he has a level of confidence that wouldn't have been possible just a few years ago. >> i don't want to sound cynical, but i don't have to trust somebody 100%, because i know for myself that i'm protected. >> reporter: that's because

karas, who is hiv negative begins his day with prep preexposure prophylaxis which reduces the chance of hiv by 90%. >> when you said safe sex, it meant using a condom. >> reporter: and now? >> you can remove that level of protection if you want to and know that you're not going to be hism v positive. >> reporter: karas, who gets a checkup every three months is well aware of all that's happened since june of 1981. that's when an infectious disease researcher at the national institutes of health first started noticing reports that clusters of young gay men were being diagnosed with highly unusual infections. >> it became clear to me that even though we did not know what this was,

was a sexually transmitted infection. >> reporter: it would take a few years before dr. anthony fouche and colleagues would discover aids which destroys the human body's resistance to infections. >> we saw it was contained in the semen, in the blood. >> reporter: doctors learned it could be transmitted through blood transfusions and that women can get hiv and pass it on to babies in the womb or through breast milk, intravenous drug users are at high risk. but it is transmitted through sex between men. i remember when people said you could get it from touching someone if

perspiration on their arm. >> of course. >> reporter: breathing air. >> hugging someone, casual contact. all, even though the overwhelming evidence indicated that that was not the case. there was still people who were propagating that falser. >> you would see guys on fire island carrying their boyfriends in their arms, saying can you have any idea what's wrong with him? i went to so many doctors and nobody knows what's wrong with him. and many heart-breaking moments like that. >> reporter: perhaps no one expressed the anguish of aids better than new york writer larry kramer. >> this is a national emergency. this is an epidemic. it's a plague. >> reporter: as documented in his tony and emmy-awardni winng work "the normal heart." >> gay men have no future here on earth. our continued existence depend the on just how angry you can get.

positive himself, became enraged at behavior in the gay community. >> because we were dying, you know, all this business about i don't want to use a condom. well, sorry, fellas. that's what you got to do now. >> reporter: but he was even more angry at the federal government and the pharmaceutical industry. founding a protest group called act up to demand quicker action on developing aids prevention and treatment drugs. >> there are a lot of sick people and a lot of angry people and a lot of scared people. so it was okay, we're going to go out there. we're going to fight. >> how many more have to die of aids? saving lives is morally right. >> we're going to show our faces, protest everywhere we can, and we did. >> reporter: one person who felt kramer'sy?

was nih dr. anthony fauci who acknowledges act-up's contribution. did the community start speeding up the trials and being less rigid in what they did before they would bring a drug to market? >> we loosened some of the restrictions, but we never compromised our core fundamental scientific principles, and i think that was a great victory, for the activists and for the scientists. because they saw they could do things better without being so restrictive. >> scientists are expected to announce tomorrow, proposals for the use of an anti-viral drug which has shown success against aids. >> reporter: in 1987, azt that could reduce the risk of it developing into aids was approved. >> researchers stress that it is not a cure, nor does it work in every case. but, it is

aids. >> reporter: and over the years, a stream of drugs has improved treatment and lengthened lives. there are now more than 1 million americans living with hiv. the rate of infection in the united states has decreased from some 130,000 new cases per year in 1985 to about 40,000 in 2015. aids prevention and treatment drugs can be expensive. and although there are programs that provide them, not everyone has access to them. the rate of new hiv cases tends to be higher in the african-american and latino communities. 22-year-old pedro rios was diagnosed with hiv just two and a half months ago. were you known to take chances, because you were young and thought nothing could happen to you. >> i was definitely at that

std before, so. >> reporter: a sexually transmitted disease of about. >> the first one that i got was obviously hiv. >> reporter: but he says the news was not distressing to him. >> it was very much, okay. i accept it. so what's next? where do we go from here? >> reporter: he now takes one pill a day in a clinical trial. but rios will probably be on medication for the rest of his life. and, after 36 years, anthony fauci is still searching for both a vaccine and a cure. >> we still have a long way to go. we really need to essentially put the nail in the coffin of this disease, and we are not there yet. and when we get casual about it and assume that, well, we took care of hiv aids, we can move on to something else, that's a big mistake.

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no matter who was in there last. protection. new lysol power & fresh 6 goes to work flush after flush for a just-cleaned feeling that lasts up to 4 weeks. lysol. what it takes to protect. the movie industry is in a slump. there are no hollywood blockbusters on the horizon and industry analysts expect ticket sales this summer to fall by up to 10% from last year. the theater industry though isn't taking this lying down, embracing new technologies to bring moviegoers back inside.

>> there you go. >> reporter: deep inside a 16-storey building in the heart of san francisco. >> this is where the magic happens. >> reporter: lies what might be the best place on the planet to watch a movie. >> this is dolby atmos. >> reporter: the theater is wrapped in steel, boxed in by two sets of walls. all resting in a floating, concrete floor. >> our goal is to provide them with a greater palette. >> reporter: the ceo of dolby laboratories. it is not open to the public. simply a spot where the company can test and show off. >> everything we do begins with a belief that storytelling is a basic human need and engaging in those stories is a basic human needs. >> dolby laboratories -- >> reporter: dolby was founded in the '60s by ray dolby as

audio company. it became the industry standard in the '70s and '80s, catapulted in part by a once little-known film. today this cinema technology blends both audio and visual. >> today we're doing for the eyes what we've always done for the ears. >> reporter: it means using software to produce pure levels of color as well as a focus on object-based sound. >> we want a sound in the front or we want a sound panning through the speakers. >> what does he have on right now? >> so evan's wearing, this is an eeg, an electroencephalogram. >> reporter: the research is done in labs all over the campus. >> they see fire on tv and naturally get hot. >> reporter: poppy crumb is the chief scientist. you're measuring brain waves. >> exactly.

more telling? >> it always depends. in watching an adrenaline-rush car scene, and there's one salient moment that the content creator is hoping people jump out of their seats. we're probably going to look at skin response. >> reporter: you can't fool this. it's like a lie detector test. >> it literal shly is a lie detector test. >> reporter: the processors in this projection room put sound and picture in this theater. what used to be a light bulb in a film projector, a digital projector is now an array of laser light sources that combine a whole bunch of like laser pointers together to create light on the screen. >> so exciting for you to sit at these. >> we spent a lot of late nights here. >> reporter: one person who's taken a keen interest in this new technology is a producer who needs no introduction. jerry bruckheimer has put together movies. ♪ highway to the

>> reporter: and tv shows. ♪ >> reporter: including on this network that are memorable and highly profitable. this is where it all started. >> yes. these sound stages were the original pirates. >> pirates! >> pirates. >> reporter: he struck gold again with pirates of the caribbean. the fifth installment of the series comes out this month. available in, you guessed it, dolby cinema. is that the goal? to get something to be as realistic as possible? >> that's what you want. you want the audience to believe it, feel it, you know, you're seeing it. >> reporter: bruckheimer is a firm believer that the experience inside a movie theater can be transformative. and given the right combination of story and science, one that isn't going anywhere. and you think the moviegoers will spend more for a ticket to see a bert picture?

>> always. >> reporter: but when you get to $2

today is flag day, marking the day in 1777 that the stars and stripes was adopted as the united states national banner. the flag is sacred to a lot of americans, particularly veterans and the people who love them, just like the young man steve hartman found on the road. >> reporter: young boys aren't easily appalled. but 11-year-old preston sharp still knows the feeling. >> yeah, i was really surprised. >> reporter: and disappointed. >> yeah, and really disappointed, yeah. >> reporter: had you seen him like that before? >> not this angry and passionate. >> reporter: his mom april says what upset him so was visiting his grandfather's grave in california and realizing not every veteran in the cemetery had a flag. april says even hours later i

>> i said son, if you are upset about something you either have to do something about it or let it go. and he's like, i'm going to do something about it, mom. >> reporter: next thing she knew, preston was soliciting donations and taking odd jobs to put flags on every veteran's grave in his grandfather's cemetery and moved on to another and then another. and here we are 23,000 graves later. and i does this every week, rain or shine, especially rain. why? >> like they were out there in the rain doing their job, protecting us. >> reporter: preston says coming out here in the rain or in this case, 100-degree heat is the least he can do. >> thank you for your service, michael. >> reporter: his devotion really is enormous. >> thank you for your service, samuel. >> reporter: and contagious. >> thank you so much for coming out today. >> reporter: now when word gets out that preston will be at a

compelled to join in. >> it's just amazing. >> reporter: people like vietnam veteran, fred loveland. >> what he's doing brings them out, because they can't believe that a young man in this country is doing what he does. >> we've got to put the flower in. >> reporter: it is a movement of young and old. >> thank you for your service, lewis. >> reporter: of those who served their country and those who are so grateful they did. >> thank you for your service, alan. >> reporter: all led by this little pied piper of patriotism who saw an injustice and decided to do something about it. next wednesday is flag day, but for preston sharp, it's just another one of 365 chances to do what's right. >> thank you for your service, norman. >> reporter: steve hartman, on the road in redding, california. and that's the overnight news for this wednesday. for some of you the news continues. for others, check back a little later for the morning news and cbs this morning. from the broadcast center

daytime drama. >> to suggest that i participated in any collusion is an appalling and detestable lie. >> the attorney general denies a trump/russia connection but faces tough questions. >> you're impeding this investigation. >> i am not stonewalling. also tonight, the hunt is on for two inmates wanted for murdering two prison guards. i am begging to the korean people and government for my forgiveness. >> after being imprisoned by north korea, an american college student is coming home -- in a coma. look at me! >> you could say, the nba champs have two mvps. >> there were many nights that i didn't know how we were going to make it.

this is the "cbs overnight news." tuesday the nation's top law enforcement officer, attorney general jeff sessions refuted what he called appalling and detestable lies. session asked for the hearing before the senate intelligence committee's investigation of russian tampering in the presidential election. this was the administration's first sworn rebuttal of former fbi director james comey, who testified last week that the president pressured him to drop the investigation of former national security adviser, michael flynn. president trump called comey a coward and a nutjob. but the attorney general was more measured, even though he declined to answer some of the most revealing questions. we have a team of correspondents covering this, and we'll begin with nancy cordes on capitol hill. >> i

>> reporter: under oath, the attorney general says he is being smeared by suggestion he had an undisclosed meeting with the russian ambassador last year. >> mr. comey said that there were matters with respect to the recusal that were problematic, and he couldn't talk about them. what are they? >> why don't you tell me? they are none, senator widen. there are none. i can tell you that for absolute certainty. >> we can, we can -- >> this is a secret innuendo being leaked out there about me, and i don't appreciate it. >> reporter: sessions has acknowledged what he called two brief meetings with sergei kislyak and says he does not recall a third encounter at the mayflower hotel after a trump campaign speech. >> certainly, i can assure you nothing improper if i had a conversation with him, and it's conceivablt

but i don't remember it. >> reporter: comey told the committee last week that the president dismissed everyone but him. florida senator marco rubio. >> do you remember feeling like you needed to stay? >> i do recall being one of the last ones to leave. he expressed concern to me about that private conversation. and i agreed with him, essentially, that there are rules on private conversations with the president. >> reporter: several senators pressed sesions to explain why he got involved in comey's firing even after he had recused himself from the fbi's investigation into election meddling. >> it is absurd, to suggest that a recusal from a single, specific investigation would render the attorney general unable to manage the leadership of the various department of justice law enforcement components. >> reporter: the firing could spark an obstruction of justice investigation, because the president has said the russia case was a factor. >> and i guess i'll just have to

>> reporter: answers like that frustrated democrats, who accused sessions of stonewalling about his conversations with mr. trump. >> has the president invoked executive privilege in the case of your testimony here today? >> he has not. >> then what is the basis of your refusal to answer these questions. >> senator cain, the president has a constitutional -- >> i understand that, but the president hasn't asserted it. >> i am protecting the right of the president to assert it if he chooses. >> reporter: sessions says he recommended comey's firing because of his handling of the clinton e-mail case last year. one top diplomat says perhaps sessions and others should be held in contempt of congress if they won't answer these questions. >> nancy cordes in the hearing room for us. >> after comey was fired the justice department named former fbi director robert mueller as special counsel to independently ve

well, today margaret brennan tells us a number of top officials had to come to mueller's defense. >> i have a lot of confidence in bob mueller. i think it was a good choice. >> i think the best advice would be to let robert mueller do his job. >> republican leaders mitch mcconnell and paul ryan defended mueller today. the special counsel investigating allegations of collusion. it was prompted by this comment from trump confidante and news max ceo chris ruddy yesterday on pbs. >> i think he's considering perhaps terminating the special counsel. i think he's weighing that option. >> reporter: former house speaker newt gingrich who initially said he was a fan of mueller accused him of picking politically biased investigators. >> they are all democrats, one of them worked for the clinton foundation. he apparently couldn't find a

single pro-trump torn attorney to hire. and i think that's a rigged game. >> reporter: he will also explore whether the abrupt firing of comey was an attempt to disrupt the russia inquiry. in order to dismiss mueller he would have to get consent from rod rosenstein. >> have you seen any evidence of good cause for firing of special counsel mueller? >> no, i have not. >> reporter: president trump ignored questions about mueller's fate. >> thank you very much. >> reporter: attorney general jeff sessions who has recused himself from the russia investigation did little to clarify the president's thinking. >> do you believe the president has confidence in director mueller? >> reporter: but he didn't join the attacks on mueller. >> you would not take any actions to try to have special investigator mueller removed? >> i wouldn't think that would be appropriate for me to do. >> reporter: in fact, the white house says president trump interviewed mueller for the fbi director job just the day before the justice department announced

special counsel. confidantes of the president say this presents yet another conflict for mueller. dennis rodman arrives in north korea as an american imprisoned there flies home in a coma. and later, ejected from the driver's seat at uber.

for some insight into this, let's bring in our correspondent and host of "face the nation," john dickerson. what are the take aways from today? >> you have to think of it in terms of three different investigations. in terms of the mueller investigation, the attorney general said that was a worthwhile, useful investigation in that it looked at russia meddling in the election. that's not something the president has been full throated about. the second is this question of collusion, russians plus the trump campaign. that was the series of questions where the attorney general got quite heated about his meetings with russians. that's where he was most forceful in defending himself. then obstruction, did the president fire james comey because he wanted him to stop the investigation.

and on that, the attorney general didn't say much about that. he was not answering the questions. >> we saw in nancy's piece, the attorney general declining to answer many questions. where does that go from here? >> he's asserting a privilege the president has not asserted. he's saying the president could stay assert privilege. what would happen is the congress would have to hold him in contempt. there are republicans running congress. they are not likely to do that. but were they to hold him in contempt, the president would have to exert executive privilege, and then the courts would have to work it out. but for now he's not talking much and there are other officials as well. now jeff pegues brings us up to date on the russia investigation. >> i know nothing but what i've read in the paper. >> reporter: attorney general jeff sessions said today he still has not been shown the evidence of russian meddling in last year's election. >> i've never received any detailed briefing on how a

information was alleged to have influenced -- >> between the -- >> reporter: the intelligence community, including the fbi concluded late last year that the russian government cyberattacks were designed to help the trump campaign. now cbs news has learned those efforts were even greater than previously reported. during the final weeks of the campaign, former u.s. officials say hackers tried to gain access to voter databases in more than two dozen states. >> this is the first time we're aware of that anyone has ever successfully gotten in. >> reporter: in illinois, the hackers were successful. ken menzel is with the illinois board of elections. his state noticed the intrusions last summer. >> we're highly confident that no records were deleted or altered or added. >> reporter: but former u.s. officials say they can't be sure that voter registration data in some states wasn't taken. one source says up to six key

florida and wisconsin were at risk. before folks realized it was a real problem, the source says it was a real problem. last week, fired fbi director james comey warned that the cyber assault could happen again. >> oh, it's a long-term practice of theirs. it's stepped up a notch in a significant way in '16. they'll be back. >> reporter: u.s. officials still say they do not believe the hacks impacted the outcome of the election. even though he has not been briefed, he says the u.s. does not have a sufficient strategy to deal with cyberattacks. >> jeff pegues, our man on the investigation from the beginning, thank you. the jury in bill cosby's sexual assault trial deliberated for a second day. today they reviewed testimony the entertainer gave more than a decade ago in which he admitted giving women drugs. he is charged with drugging and molesting andrea constand.

he claims it was consensual. he is 79 and could face ten years if convicted. in georgia today, two prison guards were murdered on a prison bus. two inmates are on the run. >> reporter: about 70 miles east of atlanta, a pair of inmates riding on this prisoner transport bus somehow seized the guards' .40 caliber glock pistols and murdered them. killed christopher monica and curtis billue. howard sills, the shaken sheriff called the inmates beyond dangerous. >> they need to surrender before we find them. i saw two brutally murdered corrections officers, that's what i saw. i have their blood on my shoes. >> what is your biggest worry at this point. >> my biggest worry is that they're going to kill somebody else. that's my biggest worry. >> reporter: the escapees are ricky debose and donnie russell

rowe. both were serving time for violent felonies. they later car jacked a green honda civic and disappeared. the transport bus resembles a school bus but with a caged door and windows that separates the inmates from the driver. the inmates somehow managed to get through. georgia corrections director dozier. is it locked? >> it's locked. so it should have been locked. >> yes, sir. >> at some point they managed to get through and overpower the guards. >> that's true. >> reporter: the murders were recorded by an on-board camera. the two escapees broke into a house, stole clothes, left behind their prison whites and hit the road again. detectives are worried these two prisoners may try to go out in a blaze of glory. >> mark strassmann, thanks. the "cbs overnight news" will be right back.

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korean custody. the north koreans claim he fell ill in prison, but the circumstances of his illness, if that's what it is, remain unknown. warmbier was sentenced to 15 years after a one-hour trial. he flew out on the same day that nba player dennis rodman arrived, and ben tracy is following. >> i beg for forgiveness. >> reporter: we last saw 22-year-old otto warmbier last year. during an emotional and likely coerced confession in north korea. >> i never should have allowed myself to be allured by the united states administration to commit a crime in this country. >> reporter: the university of virginia student was sentenced to 15 years hard labor for allegedly stealing a propaganda poster that featured the late leader kim jong il. north korea called it a hostile act against the

after his trial, warmbier allegedly fell ill and has been in a coma ever since. >> the state department has secured the release of otto warmbier. >> reporter: rex tillerson credited president trump with securing the student's release. but it happened bizarrely, the same day dennis rodman landed in north korea. he has now traveled there five times and says he considers north korean leader kim jong un a friend for life. ♪ happy birthday to you >> reporter: in 2014, rodman even sang "happy birthday" to him. en route today, he said he was returning to quote open a door and that president trump would be happy about it. >> now the trump administration says dennis rodman had nothing to do with warmbier's release. but dennis rodman and president trump are friends from their days on the "celebrity apprentice." no word on the three other americans still being held by north korea.

>> ben tracy in beijing, thank you. coming up, steering uber away from controversy. e same om. megared advanced triple absorption is absorbed three times better. so one softgel has more omega-3 power than three standard fish oil pills. megared advanced triple absorption. no matter who was in there last. protection. new lysol power & fresh 6 goes to work flush after flush

lysol. what it takes to protect. and they happen easily. the other side of this... is they can be removed... easily. spray and wash's... powerful formula... removes over 100 stains. spray and wash. better on over 100 stains. the ceo at uber is going on leave. the board of directors is blaming him for a toxic corporate culture. here's john blackstone. >> reporter: embattled ceo of uber announced he was taking a leave of absence and wrot

need to work on travis 2.0 to become the leader this company needs and that you deserve. uber has grown as a challenge to the taxi industry in over 500 cities around the world. but in the last year, the company has faced crisis after crisis, including accusations of stealing self-driving technology from google and protests by drivers. >> i lost $97,000 because of you. i bankrupt because of you. >> reporter: in a widely-seen video earlier this year, he argued with an angry uber driver. >> some people don't like to take responsibility -- >> reporter: he described his impatience to charlie rose last year. >> we are generally a little forward leaning when it comes to trying to make progress happen. >> reporter: he described corporate values like always be hustlin', and principled confrontation. the report by former attorney general eric holder recommends adopting values that are more

inclusive, emphasizing teamwork and mutual respect. jeremy robinson leon says his exit and the holder report are just the beginning of changes uber is likely to need. >> the overall narrative has shifted so far out of uber's favor that without big corrective action it's going to be impossible for uber to achieve a true reset. >> reporter: when he returns to uber headquarters, his role will be somewhat diminished, the recommendations released today call for a chief operating officer to take over many of his responsibilities. >> john blackstone in san francisco, thanks. last night three americans killed in afghanistan were flown home to dover air force base in delaware. dillon baldridge, eric houck and william bays. all three were shot by a taliban infiltrator in america's longest war. and we'll be right back.

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kevin durant was a slam dunk for mvp in the nba playoffs. he averaged 35 points a game. as the golden state warriors clobbered the cleveland cavaliers. but lee cowan has discovered there are really two mvps. >> what was last night like for you?

it really was. >> reporter: last night was about more than winning. for kevin durant, it was the fulfillment of a promise he made to his mom when he was just 8 years old. >> i can remember that conversation. >> reporter: is that why you kept pushing him so hard? >> because i knew he wanted it. >> reporter: she had kevin at just 21. as a young, single mom, she worked the overnight shift at a post office outside washington, d.c. struggling to provide for him and his older brother tony. >> there were many nights that i didn't know how we were going to make it. >> reporter: where did you find that strength. they had you. you didn't have anybody. >> i couldn't quit. and there were times i wanted to quit. and i often said the sacrifice for me personally was not dying. that's what i sacrificed for my kids. not, not checking out on them. >> reporter: so how did you bring yourself back from that? >> because i had them. >> reporte t

everything. yeah? >> they needed me. >> reporter: there aren't usually words for that kind of sacrifice. but durant found just the right ones when he gave his mom a tearful shoutout at his acceptance speech for the most valuable player award three years ago. >> when you didn't eat, you made sure we ate. you went to sleep hungry. you sacrificed for us. you're the real mvp. [ applause ] >> reporter: even for a nba champion, being a mama's boy couldn't feel any better. how do you top last night? >> win another championship. >> reporter: lee cowan, cbs news, oakland. that's "cbs overnight news" for this wednesday. for some of you the news continue. for others, check back a little later for the morning news and cbs this

from the broadcast center in new york city, i'm scott pelley. this is the "cbs overnight news." welcome to the overnight news. i'm don dahler. the eyes of washington and much of the nation turned to the senate intelligence committee for the sworn testimony of attorney general jeff sessions. he was grilled on what he knew about russian influence on the presidential election, his meetings with russian officials as well as the firing of former fbi director james comey. nancy cordes reports. >> i mean, what is this? >> reporter: under oath, the attorney general said he is being smeared by suggestions that he had an undisclosed meeting with the russian ambassador last year. >> mr. comey said that there were matters with respect to the recusal that were problematic and he couldn't talk about them. what are they? >> why don't you tell me?

there are none. i can tell you that for absolute certainty. >> we can, we can -- >> you tell, this is a secret innuendo being leaked out there about me, and i don't appreciate it. >> reporter: sessions has acknowledged what he says were two brief routine meetings with sergei kislyak but says he does not recall a reported third encounter at d.c.'s mayflower hotel after a trump campaign speech. >> certainly, i can assure you, nothing improper, if i had a conversation with him, and it's conceivable that that occurred. i just don't remember it. >> reporter: his former senate colleagues asked sessions about an oval office meeting in february. comey says that the president dismissed everyone but him. florida senator marco rubio. >> do you remember feeling like you needed to stay? >> i do recall being one of the last ones to leave. he expressed concern to me about that private conversation.

and i agreed with him, essentially, that there are rules on private conversations with the president. >> reporter: several senators pressed sessions to explain why he got involved in comey's firing, even after he had recused himself from the fbi's investigation into russian election meddling. >> it is absurd, frankly, to suggest that a recusal from a single, specific investigation would render the attorney general unable to manage the leadership of the various department of justice law enforcement components. >> reporter: the firing could spark an obstruction of justice investigation, because the president has said the russia case was a factor. >> and i guess i'll just have to let his words speak for himself. >> reporter: answers like that frustrated democrats who accused sessions of stonewalling about his conversations with mr. trump. >> has the president invoked executive privilege in regard to your testimony today. >> he has not.

>> then what is the basis of your refusal to answer these questions. >> senator cain, the president has a constitutional -- >> i understand, but the president hasn't asserted it. >> i am protecting the right of the president to assert it if he chooses. >> reporter: sessions says he recommended comey's firing because of his handling of the clinton e-mail case last year. still, one top democrat said perhaps sessions and other top officials should be held in contempt of congress if they won't answer these questions about the president. an associate of donald trump says the president is considering firing special counsel robert mueller who's leading one of the investigations into russian middling. a top official at the justice department says that's not going to happen. margaret brennan reports. >> i have a lot of confidence in bob mueller. i think it was a good choice. >> i think the best choice would be to let robert mueller do his job. >> reporter: paul ryan and mitch mcconnell announced support for robert muellerve

allegation of russian and trump collusion. it was prompted by this come by chris ruddy yesterday on pbs. >> i think he's considering, perhaps terminating the special counsel. i think he's weighing that option. >> reporter: on cbs this morning, former house speaker newt gingrich who initially said he was a fan of mueller accused him of picking politically biased investigators. >> his first four attorneys are all democrats. one worked for the clinton foundation. he apparently couldn't find a single pro-trump attorney to hire, and i think that's a rigged game. >> reporter: mueller will also explore whether the abrupt firing of comey in may was an attempt to disrupt the fbi's russia inquiry. in order to dismiss mueller, the president would have to get consent from deputy attorney general rod rosenstein. >> have you seen any evidence of good cause for firing of special

>> no, i have not. >> reporter: president trump ignored questions about mueller's fate. >> thank you. thank you very much. >> reporter: attorney general jeff sessions, who has recused himself from the russia investigation did little to clarify the president's thinking. >> do you believe the president has confidence in director mueller? >> i have no idea. >> reporter: but he didn't join the attacks on mueller. >> you would not take any actions to try to have special investigator mueller removed? >> i wouldn't think that would be appropriate for me to do. a new study shows that many mid-sized suvs do a poor job of lighting the road at night. of 37 models tested only two received good reviews. kris van cleave has more. >> reporter: the federal standards for headlights are set in the lab, not on the roads, and this testing is showing that many just don't perform all that well. this dodge journey was one that rated poor. and the concern with the poor-rated headlights is they may not light up an obstacle down the rin

avoid it. look closely. can you spot the person crossing the road. they're virtually undetectable in the lights of this kia sorrento which rated among the worst. a research engineer. >> when i say the kia sorrento, 35 miles per hour is about the fastest you should be driving with your low beams on. >> reporter: headlights on the volvo xc-60 scored the highest. compared to the sorrento, you can make out deer 200 feet down the road.o cf1 o the volvo's headlights also won't blind oncoming drivers. >> if you are involved in a crash at night with better headlights, you may have avoided that collision. >> the track is ready. you can begin your run. >> reporter: they did tests for suvs. and they've largely underprm

in this round, researchers evaluated 37 suvs with 79 possible headlight combinations. when fitted with their best-performing systems, 11 models rated poor. the lowest score possible. only two got top marks, the volvo xc-60 and hyundai santa fe equipped with optional curve adoptive headlights. >> if you are in the market for a new car and safety is your top concern, take a look at thei iis standards. take a look at roll over and crash protection, air bags. >> reporter: the iihs test is not mandatory in all the vehicles meet or exceed federal standards. car makers are beginning to make changes to headlight design, the institute says, because of this testing. we reached out to all the companies that received a poor rating. most are investigating the results, that includes kia. who points outhe

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the battle against aids is now nearly two generations old. it was 36 years ago that acquired immune deficiency syndrome first got the attention of the medical community. since then, science has come up with a way to control the disease, but a cure or vaccine is still far off. rita braver has that. >> reporter: when 31-year-old dean karas hits the bars, he maybe strikes off a new relationship. he has a level of confidence that wouldn't have been possible just a few years ago. >> i don't want to sound cynical, but i don't have to trust somebody 100%, because i know for myself that i'm protected. >> reporter: that's because karas, who is hiv negative begins his day with prep

preexposure prophylaxis which reduces the chance of hiv by 90%. >> when you said safe sex, it meant using a condom. >> reporter: and now? >> you can remove that level of protection if you want to and know that you're not going to be hiv positive. >> reporter: karas, who gets a checkup every three months is well aware of all that's happened since june of 1981. that's when an infectious disease researcher at the national institutes of health first started noticing reports that clusters of young gay men were being diagnosed with highly unusual infections. >> it became clear to me that even though we did not know what this was, it almost certainly ins a sexually transmitted

>> reporter: it would take a few years before dr. anthony fauci and colleagues would discover aids which destroys the human body's resistance to infections. >> we saw it was contained in the semen, in the blood. >> reporter: doctors learned it could be transmitted through blood transfusions and that women can get hiv and pass it on to babies in the womb or through breast milk, intravenous drug users are at high risk. but it is transmitted through sex between men. quickly, a lot of myths began to spread. i remember when people said you could get it from touching someone if there was perspiration on their arm. >> of course. >> reporter: breathing air.

>> hugging someone, casual contact. all, even though the overwhelming evidence indicated that that was not the case. there was still people who were propagating that falser. >> you would see guys on fire island carrying their boyfriends in their arms, saying can you have any idea what's wrong with him? i went to so many doctors and nobody knows what's wrong with him. and many heart-breaking moments like that. >> reporter: perhaps no one expressed the anguish of aids better than new york writer larry kramer. >> this is a national emergency. this is an epidemic. it's a plague. >> reporter: as documented in his tony and emmy-award winning work "the normal heart." >>ay men have no future here on earth. our continued existence depend the on just how angry you can get. >> reporter: kramer, hiv

at behavior in the gay community. >> because we were dying, you know, all this business about i don't want to use a condom. well, sorry, fellas. that's what you got to do now. >> reporter: but he was even more angry at the federal government and the pharmaceutical industry. founding a protest group called act up to demand quicker action on developing aids prevention and treatment drugs. >> there are a lot of sick people and a lot of angry people and a lot of scared people. so it was okay, we're going to go out there. we're going to fight. >> how many more have to die of aids? saving lives is morally right. >> we're going to show our faces, protest everywhere we can, and we did. >> reporter: one person who felt kramer's fury? was nih dr. anthony fauci who

acknowledges act-up's contribution. did the community start speeding up the trials and being less rigid in what they did before they would bring a drug to market? >> we loosened some of the restrictions, but we never compromised our core fundamental scientific principles, and i think that was a great victory, for the activists and for the scientists. because they saw they could do things better without being so restrictive. >> scientists are expected to announce tomorrow, proposals for the use of an anti-viral drug which has shown success against aids. >> reporter: in 1987, azt that could reduce the risk of it developing into aids was approved. >> researchers stress that it is not a cure, nor does it work in every case. but, it is the first significant progress in the battle against aids.

a stream of drugs has improved treatment and lengthened lives. there are now more than 1 million americans living with hiv. the rate of infection in the united states has decreased from some 130,000 new cases per year in 1985 to about 40,000 in 2015. aids prevention and treatment drugs can be expensive. and although there are programs that provide them, not everyone has access to them. the rate of new hiv cases tends to be higher in the african-american and latino communities. 22-year-old pedro rios was diagnosed with hiv just two and a half months ago. were you known to take chances, because you were young and thought nothing could happen to you. >> i was definitely at that stage where i've never had an std before, so. >> reporter: a sexually transmitted disease ofut

>> the first one that i got was obviously hiv. >> reporter: but he says the news was not distressing to him. >> it was very much, okay. i accept it. so what's next? where do we go from here? >> reporter: he now takes one pill a day in a clinical trial. but rios will probably be on medication for the rest of his life. and, after 36 years, anthony fauci is still searching for both a vaccine and a cure. >> we still have a long way to go. we really need to essentially put the nail in the coffin of this disease, and we are not there yet. and when we get casual about it and assume that, well, we took care of hiv aids, we can move on to something else, that's a big mistake. >> reporter: 36 years and counting.

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60% of women are wearing the w...experience leaks. introducing always my fit. find the number that's right for your flow and panty size on the top of any always pack. the better the fit, the better it protects. always. no matter who was in there last. protection. new lysol power & fresh 6 goes to work flush after flush for a just-cleaned feeling that lasts up to 4 weeks. lysol. what it takes to protect. the movie industry is in a slump. there are no hollywood blockbusters on the horizon and industry analysts expect ticket sales this summer to fall by up to 10% from last year. the theater industry though isn't taking this lying down, embracing new technologies to bring moviegoers back inside. jeff glor reports. >> there you go.

>> reporter: deep inside a 16-storey building in the heart of san francisco. >> this is where the magic happens. >> reporter: lies what might be the best place on the planet to watch a movie. >> this is dolby atmos. >> this brings together the best of everything we have to offer today. >> reporter: the theater is wrapped in steel, boxed in by two sets of walls. all resting in a floating, concrete floor. >> our goal is to provide them with a greater palette. >> reporter: the ceo of dolby laboratories. it is not open to the public. simply a spot where the company can test and show off. >> everything we do begins with a belief that storytelling is a basic human need and engaging in those stories is a basic human needs. >> dolby laboratories -- >> reporter: dolby was founded in t60he 's by ray dolby as an audio company. it became the industry standard

in the '70s and '80s, catapulted in part by a once little-known film. today this cinema technology blends both audio and visual. >> today we're doing for the eyes what we've always done for the ears. >> reporter: it means using software to produce pure levels of color as well as a focus on object-based sound. >> we want a sound in the front or we want a sound panning through the speakers. >> what does he have on right now? >> so evan's wearing, this is an eeg, an electroencephalogram. >> reporter: the research is done in labs all over the campus. >> they see fire on tv and naturally get hot. >> reporter: poppy crumb is the chief scientist. you're measuring brain waves. >> exactly. >> reporter: you're measuring skin reaction and heart rate. >> exactly. >> reporter: is any one of those more telling?

to figure out where to move the technology next? >> it always depends. in watching an adrenaline-rush car scene, and there's one salient moment that the content creator is hoping people jump out of their seats. we're probably going to look at skin response. >> reporter: you can't fool this. it's like a lie detector test. >> it literally is a lie detector test. >> reporter: crumb's mental testing helps provide a physical product. the processors in this projection room put sound and picture in this theater. >> what used to be a light bulb in a film projector, a digital projector, is now an array of laser light sources that combine a whole bunch of like laser pointers together to create light on the screen. >> so exciting for you to sit at these. >> wen

>> reporter: one person who's taken a keen interest in this new technology is a producer who needs no introduction. jerry bruckheimer has put together movies. ♪ highway to the danger zone >> reporter: and tv shows. ♪ >> reporter: including on this network that are memorable and highly profitable. this is where it all started. >> yes. these sound stages were the original pirates. >> pirates! >> pirates. >> reporter: he struck gold again with pirates of the caribbean. the fifth installment of the series comes out this month. available in, you guessed it, dolby cinema. is that the goal? to get something to be as realistic as possible? >> that's what you want. you want the audience to believe it, feel it, you know, you're seeing it. >> reporter: bruckheimer is a firm believer that the experience inside a movie theater can be transformative. and given the right combination of story and science, one that isn't going anywhere. and you think the moviegoers will spend more for a ticket to see a better picture? >> always. >> reporter: but when you get to $20, $30 a ticket, it gets pricey.

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captioning funded by cbs it's wednesday, june 14th, 2017. this is the "cbs morning news." in my 29 years being a firefighter, i have never, ever seen anything of this scale. >> breaking news. several people are dead and dozens hurt after a london high-rise erupted into flames. according to rwitnesses, residents tied sheets together while others begged for wall. >> just like a water fall on the side. >> they were called