tonight, face to face inside the oval office. obama and trump, bitter political foes, meet for the first time. the president who accused trump of being unfit to serve and trump, who accused obama of being an illegitimate president. what they said b anti-trump protests erupt around the country. also, where hillary clinton was spotted today smiling after that devastating defeat. plus, "nbc nightly news" exclusive, we have the names of the people president-elect trump wants to have access to america's top secrets. some surprises and some controversial. officers ambushed while responding to an emergency. a gunman opens fire. and the app trap. just in time for the holiday shopping rush, crooks and thieves are infiltrating the app store.

"nightly news" begins right now. good evening. no meeting was more anticipated or potentially more awkward. barack obama and donald trump, president and president-elect, coming face to face today inside the most powerful office in the world. their oval office chat, a first-time meeting betwth known. trump, a long denier of the president's american birth, and obama who has called trump unfit to be president. yet, what the world saw today was cordial and hopeful. >> well, i just had the opportunity to have an excellent conversation with president-elect trump. we talked about foreign policy. we talked about

is important for all of us, regardless of party and regardless of political preferences, to now come together, work together, to deal with the many challenges that we face. most of all, i want to emphasize to you, mr. president-elect, that we now are going to want to do everything we can to help you succeed because if you succeed, then the country succeeds. please, sir. >> well, thank you very much, president this was a meeting that was going to last for maybe 10 or 15 minutes, and we were just going to get to know each other. we had never met each other. i had great respect. the meeting lasted for almost an hour and a half. and it could have -- as far as i'm concerned, it could have gone on for a lot longer.

some difficulties. i very much look forward to dealing with the president in the future, including counsel. he explained some of the difficulties, some of the high-flying assets and some of the -- some of the really great things that have been achieved. so mr. president, it was a great honor being with you. and i look forward to being with you many, many more times in the future. >> good luck. thank you. >> still cameras clicking away, capturing that moment. that wasn't the only meeting in washington with mr. trump today. nbc has details. >> reporter: donald trump at the white house today trying to rebuild the bridges he burned on his way there. >> obama is an incompetent. the most ignorant president in our history. he has been a disaster. >> reporter: today a different tone. >> thank you. >> very good man. >> reporter: this scene in the oval office unimaginable to

had a chance, including president obama. >> i continue to believe mr. trump will not be president. >> reporter: that was just the beginning of the president's fight against candidate trump. a bitter battle that began years ago with trump's birther crusade against obama. something that did not come up in today's 90-minute meeting. >> it sounds like the meeting might have been at least a little less awkward than some might have expected. >> reporter: trump joined by wife melania who toured the east wing with the first lady, and by jared kushner, his son-in-law and one of his closest advisers, walking the south lawn with president o's chief of staff. the president-elect planning to seek his predecessor's advice. president obama, sharing some. >> always the last one. >> reporter: trump couldn't resist talking with reporters at his second stop on capitol hill. >> what do you say -- >> reporter: trump walking the halls of congress with senate majority leader mitch mcconnell and looking at where he'll be sworn in by house speaker paul ryan, their relationship

initially refused to endorse trump and later declined to defend him. the two now prioritizing tax reform and the fight against the health care law. popular proposals to unite the party as even former rivals get on board. >> if they have an interest in sitting and talking to me, i'll be glad to do it. he's the president. if hillary had won, i'd be talking to hillary. >> reporter: much of the meeting between obama and trump revolved around staffing up and organizing an administration. unfamiliar territory for someone who's neen staff at times seemed almost like tourists, lester, snapping pictures on their phones here at the white house. >> all right. thank you. meantime, from d.c. to new york, the jockeying is well underway for high-level positions in the trump administration. after repeatedly promising to "drain the swamp," the names popping up for cabinet posts aren't exactly outsiders. plus, nbc news has learned exclusive details about who the president-elect wants to know america's top secrets. we have it all covered starting with nbc's katy tur in the

donald trump is only starting to look at who would staff his new administration. the trump team scrambling to whittle down names, so far finding washington is a lot friendlier to a president trump than they were to the gop nominee. >> thank you, everyone. >> reporter: who will donald trump surround himself with? after all, he's promised the biggest and the best on the campaign trail. >> we have to have smart people. i have the smartest people. >> reporter: nbc news has learned from campaign sources the trump transition team has not yet presented the president-elect with any names for top posts. his team has a working list of three to five names for each cabinet position. >> it's up to donald trump and mike pence now to sit down and figure out people who not only helped in the campaign but can help change america. >> reporter: no word on exactly who is on the short list. there are not-so-quiet whispers about high-profile members.

flynn for national security adviser. texas congressman michael mccall for homeland security. reince priebus, chief of staff. or potentially chris christie. >> would you want to be chief of staff? would you want to be -- >> you don't really think -- >> that's what's called a pregnant pause. >> reporter: rudy giuliani not as coy about his interest in attorney general. >> i certainly have there's probably nobody that knows the justice department better than me. >> reporter: tonight nbc news has learned from sources with knowledge of the decision, mike rogers, former chair of the house intelligence committee is being considered for cia director. rogers' office issuing a "no comment" tonight. there is a lot of work to do. team trump needs to fill 4,000 positions, 1,000 of which need senate confirmation. >> donald trump would make a mistake if he appoint too many insiders to positions. he won as an outsider. and he needs to reinforce that which delivered victory for him.

v.p.-elect mike pence hope to keep the outsider campaign an outsider administration, as of now, many signs post to much of the same. katy tur, nbc news, new york. >> reporter: this is cynthia mcfadden in new york. tonight, nbc news can exclusively report donald trump's transition team has asked that nearly 30 people be granted the nation's highest security clearances. in a secure room inside 1717 pennsylvania avenue, they will review the most sensitive details of ameca classified details of russia's role in the election, as well as the $80 billion official intelligence budget and the nooks and crannies of american covert operations. four people have already been given access -- rudy giuliani, chris christie, newt gingrich, and mike rogers. the new list is dominated by politicians and

others. we asked james stavridis, the former commander of nato, about those on the list. >> this is a very eclectic group of folks, many of whom have reasonable national security credentials. collectively they're going to come at it international affairs with bias toward hard power as opposed to soft power. >> reporter: the list includes three members or former members of congress, sessions, hunter, walker, three retired army generals, kellogg -- he's heading up the defense and two prominent bush administration officials, john bolton and steven hadley, who tells nbc news he is not participating in the transition at this point. >> national security has to be job one because instantly on january 20th, he will be tested. he'll be tested by the russians in the cyberworld. we will see test after test, and they will

>> reporter: as of today, president-elect trump is getting vastly more detailed intelligence briefings, and he will be asked to stop using his personal cell phone for security reasons, as barack obama did. but that decision is ultimately up to him, lester. >> cynthia mcfadden, thank you. the election of donald trump has unleashed a backlash in some cities across the country. protesters taking to the streets, including late today in philadelphia. people angry and fearful and with a message. nbc's miguel almaguer has more. >> reporter: this is what police departments are bracing for tonight -- >> no! >> reporter: from coast to coast, thousands of mostly peaceful but angry protesters condemning the president-elect. >> i want to show that he does not speak for me as an american. >> donald trump has got to go! >> reporter: the largest demonstrations are taking place in

outside trump tower in new york where the president-elect lives. shutting down chicago's michigan avenue. in d.c. at american university, students burned the american flag. in l.a., effigies of trump wasn't and torched. >> his ignorance and his prejudice, his racism, it's all going to interfere with how he thinks. >> reporter: outrage being voiced across the country. rallies erupting in kansas city, austin, and nashville. in red states where trump won big. >> sends an awful, awful message about this country. >> reporter: but here in the rustbelt city of lorain, ohio, trump supporters say they're frustrated, too. >> the working class people who this -- that this country rides on had enough. >> reporter: with protests fueled by social media, police are prepared for trouble in oakland where 7,000 gathered setting 40 fires and hurling firebombs at officers. tonight the divisive election is over. on the streets of this

this busy stretch of highway, the 101 which runs right through the heart of downtown los angeles, was shut down by protesters last night. at this hour, protesters are again shutting down the i-10 and nearby freeway. police are standing by at the ready. it could be the start of a long, tense night across the nation. lester? >> all right, miguel almaguer in los angeles, thank you. on the global stage, there are many questions about what impact president-elect trump will have once he takes office. right aw w confronted with a number of difficult foreign policy decisions. around the world, he's being received with a mix of anticipation and anxiety. let's get more from nbc's richard engle. >> reporter: president-elect trump is already reaching out to world leaders, including the prime minister of britain who said trump reaffirmed the allies' special relationship. tonight, so many questions about what the incoming commander in chief will do on

immediately be a president at war. a top u.s. commander told nbc news u.s.-backed iraqi troops have only reached the outskirts of mosul, iraq, where isis fighters are putting up resistance so fierce that some at the pentagon are calling it stalingrad. so far trump only providing simple solutions. >> i'd blow up every single inch. there would be nothing left. >> reporter: then there's iran. trump promised to tear up the nuclear deal the obama so hard to negotiate. >> to dismantle the disastrous deal with iran. >> reporter: but it's a six-party agreement, also with europe, china, and russia, who are unlikely to agree to follow trump's lead. and finally, israel. >> my friend, congratulations on being elected president of the united states. >> reporter: trump made some big promises to jewish audiences

>> we will move the american embassy to the eternal capital of the jewish people, jerusalem. >> reporter: but if he keeps that promise, palestinians who also consider jerusalem to be their capital could reignite violence in that powder keg of a city. overseas there is more than just skepticism about mr. trump. just yesterday a german newspaper said that election day was worse for america than 9/11. this is the kind of perception problem in some parts of the woat is going to have to try and overcome. >> richard engel, thank you. we want to show you this photo. it's hillary clinton after that devastating defeat spotted out on a hike today, seeking some peace and quiet with bill clinton near their home in chappaqua, new york. a woman out hiking with her kids said she bumped into the first couple unexpectedly while they were walking their dogs. hillary clinton smiling for a photo and bill clinton behind the camera. separately, a clinton aide tells nbc news that bill clinton called president-elect trump this afternoon to congratulate him and wish him well.

pennsylvania where a gunman has ambushed police killing one officer and injuring another. police were responding to a domestic disturbance call when they came under fire. officers forced their way into the home and found the shooter dead from a self-inflicted gunshot and a pregnant woman believed to be his wife also dead at the scene. still ahead here tonight, a consumer warning as the holiday shopping season heats before downloading any more shopping apps on your smartphone or tablet. also, the question that might spark a lot of arguments at the dinner table -- who has the better memory, men and women? approaching 65... now's the time to get your ducks in a row. [quack!] medicare only covers about 80% of your part b medical expenses. the rest is up to you. so think about an aarp medicare supplement insurance plan, insured by unitedhealthcare insurance company. like any standardized medicare supplement insurance plans,

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we're back with a consumer warning to anyone with a cell phone or tablet who downloads apps to shop on line. cybersecurity experts say there's been a sudden explosion of fake apps showing up in app stores designed by scammers hoping to steal your credit card or personal information. how can you tell if an here's nbc's tom costello. >> reporter: just in time for holiday shopping, scammers are suddenly infiltrating the app store posing as legitimate retailers to lure unsuspecting victims into giving up their credit card and personal information. it may appear to be a real app from dillard's, puma, payless, or pandora, but those are just a

that have already been targeted. >> there has been more fake apps launching in the market than ever before. >> reporter: chris mason runs his own legitimate app development company in pittsburgh. >> this is a fake app for the retailer finish line. >> reporter: how do we know it's fake? >> first, you look at the reviews, you see there's no reviews. it was recently posted, that's a red flag. >> reporter: if customers aren't reviewing the app or the reviews are all bad, stay away. english or links to other apps from competing retailers. starbucks is considered to have the gold standard of apps, but many retailers don't have apps which makes it all the more difficult to figure out what's real and what's not. most of the fake apps are thought to come from scammers in china. >> when there's a void, it's easy for the hackers to write an app. it's the first one that pops up when you search for the store that you think you want to buy at. >> reporter: how do you know if an app is real? experts advise looking for lots of customer reviews. the more the better. and go to the retailer's website for the legitimate app link. both google and apple say they are

with hundreds of fake apps appearing every week, it's a constant game of whack-a-mole. tom costello, nbc news, bethesda, maryland. one of the biggest signs yet that the holiday season is almost upon us. iggest signs yet that the holiday season is almost upon us. i thought i was managing my moderate to severe crohn's disease. i didn't think there was anything else to talk about. but then i realized there was. so, i finally broke the silence with my doctor he said humira is for people like me who have tried other medications but still experience the symptoms of moderate to severe crohn's disease. in clinical studies, the majority of patients on humira saw significant symptom relief. and many achieved remission. humira can lower your ability to fight infections, including tuberculosis. serious, sometimes fatal infections and cancers, including lymphoma, have happened; as have blood, liver, and nervous system problems, serious allergic reactions, and new or worsening heart failure.

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he was once a rising star in the republican party. now former illinois congressman aaron schock hasn criminal counts including fraud and stealing taxpayer money. he came under scrutiny after reports revealed he spent tens of thousands to decorate his office in a style inspired by "downton abbey" and questions were raised about his travel expenses. he resigned in march of last year. who has the better memory, men and women? according to a new study, middle-aged women outperform middle-aged men on all measures of memory, but that edge begins to fade as women enter

estrogen levels and memory loss. researchers hope this leads to a clearer picture of who is at a higher risk of alzheimer's. it's only the 10th of november, but it's beginning to look a lot like christmas -- it is here anyway. the rockefeller center christmas tree is on its way. a 94-foot tall, 14-ton norway spruce from a family's yard in new york. it arrives here on saturday, and it's three weeks until it's time to flip the light switch. when we cok, together to make peace, it will the rest of america follow? rest of ?jake reese, ?day to feel alive?? ?jake reese, ?day to feel alive??

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disagree with on next. we're convinced that's crucial to moving forward after this election. we hear from the officer who shielded a little girl. and the squatter who thinks he owns all of denver. next. finally tonight, we thought we would end the broadcast where we began -- with thex scene that unfolded today in the oval office. two political foes putting aside their many differences, at least publicly, with the entire nation watching. here's harry smith with the message that sent to a divided america. >> reporter: there are moments in our history when we just have to sit back and let it sink in. >> we now are going to want to do everything we can to help you succeed because if you succeeds, then the country succeeds. >> reporter: here are

mortal enemies, talking about what matters most -- the future of america. >> the meeting lasted for almost an hour and a half. and it could have, as far as i'm concerned, it could have gone on for a lot longer. we really -- we discussed a lot of different situations, some wonderful and some difficulties. >> reporter: we can only wonder what crossed their minds as the conversation deepened from the perfunctory to the truly important, matters of state. what did each get wrong about the other? the campaign is over. the war of words is done. how we succeed together eclipses all that came before. >> mr. president, it was a great honor being with you, and i look forward to being with you many, many more times in the future. >> thank you. >> reporter: deep inside, it's what we all pray for. it is, after all, the american way. harry smith, nbc news,

it for us on this thursday night. i'm lester holt. for all of us at nbc news, thank you for watching, and good night. night. ? [ if we all agree to opposing views -- look at this. we can listen to -- come on! talk to your uncle! are you really -- [no audio] >> here was the basic thing we tried to get across before the audio

you are welcome to change the channel, to watch something that reflects your view and only your view.doesn't seem very useful now. let's get to know the people protesting and celebrating donald trump's victory. last night we began with those celebrating and tonight we end with people in the streets. this is from sky 9 as folks walk down through downtown denver in protest to donald trump. steve stager reached out to a conversation that goes beyond the slogans and the ch. aguelar will be at a protest called colorado united against trump which will make this statement confusing. >> i feel donald trump is the president of the united states and we are not contesting that in any way. >> reporter: what are you doing? >> we are fighting for our rights! for our beliefs. we are fighting for future policies. >> reporter: if she's not here to protest trump's presidency, what is she here for?