. >> in bucharest, cristian and cristina popa are on their way to work. the couple are doctors.omania's capital is booming and incomes are rising in many sectors: in banking, industry and retail. even in private healthcare. but in the public sector, wages remain low. that's bad news for cristian and cristina, who work in a state-run hospital. >> i don't know if this is exploitation, however it's not something to attract you to stay in your country. sometimes you are not so happy when you are going to your job. you may be tired because you have to work in addition: you have to translate or you have to work as a consultant or in other directions. >> christian is employed at the institute of pulmonology, which treats patients with everything from chest infections to tuberculosis. romania still has the highest number of registered cases of tuberculosis in the eu. christina specializes in treating tuberculosis, a potentially serious bacterial infection. it can be fatal, if it goes untreated. tuberculosis is transmitted through the air, so it's highly contagious. in her work, cristina

in april 2008 at the bucharest summit, the nato bucharest summit april 2008, a communiquÉ was issuedsaid both georgia and ukraine would become part of nato. and this, by the way, is what precipitated a large part the war between georgia and russia in august 2008. the russians made it very clear at the time that nato expansion into georgia and into ukraine was categorically unacceptable. what has happened since 2008, is relations between the russians and the americans and the west europeans, more generally, have gone south, in good part because of nato expansion. but not only because of nato expansion, also because of eu expansion. furthermor because of the west interests in facilitating the spread of democracy in eastern europe, maybe even in russia itself. because the russians see democracy promotion by the west as basically an attempt to overthrow pro-russian leaders are russian leaders themselves, and put in their place leaders who are pro-western. so the russians are very sensitive about this, therefore it is no accident this whole crisis started last february when there was a co

that was the ceo of the bucharest stock exchange. >> let's switch to tech.hly anticipated report coming from twitter today after the bell. twitter shares take a look at the chart down about 40% over the past 12 months due to disappointing earnings growth and slowing user growth. profitability has also been a concern, the lack there of the six biggest consumer companies by stock market cap. google, facebook amazon yahoo! twitter. twitter is the only one that doesn't make money so the pressure is on the ceo to increase the number of users that marketers can reach in the u.s. and internationally. he also needs users to stay on the servers for longer period of time. advertisers want to see it. the other big factor is mon monitizing the hashtag. it's one of the only things they have in the social media space. super bowl xlix saw, get this 28.4 million global tweets related to the game. so twitter will be in focus today. it has been expanding overseas and we learned that they're setting up a research and design facility and last month it acquired a mobile indian s

>> well, first of all, we said after the april 2008 bucharest nato summit georgia would become part oft's not been taken off the table. the reason that's unacceptable to the russians they don't want the west or nato in particular marching up to their doorstep. it's just like the monroe doctrine for the united states. we in this country have what's called the monroe doctrine which says that no distant great power can put military forces in the western hemisphere. we wouldn't tolerate a foreign power putting military forces or having military alliance with mexico or canada. well the same basic logic applies in the case of russia. they will not tolerate a situation where nato is on their doorstep. so we have to take that promise -- >> right. but john do you expect vladimir putin to back off? or do you just let him go into ukraine and take more pieces of ukraine as he did with crimea? how do you stop putin? >> he has no interest in taking ukraine. what he is doing here is he is saying that he will wreck ukraine if the west does not stop trying to make ukraine part of the west. that's what'

. >> simon: the battle of bucharest seems to be almost over, but it is ending not with a whimper, but>> jeff fager: i always thought, "i don't even have to tell him what the story's about. if i tell him, 'there's a story waiting for you, get on a plane,' he'd be on the plane." >> kroft: jeff fager worked with bob simon for more than 30 years as a producer, executive producer of the cbs evening news, and later, executive producer of "60 minutes." >> fager: he'd always raise his hand, ready to go. his voice mail said, "i'm not in, and i may be gone for the next several months." ( laughter ) he would rather be out covering a story anywhere in the world than be stuck in an office. >> kroft: it's hard to imagine what cbs news would have been like over the last 47 years without bob simon. >> simon: you don't think that socialism necessarily evolves into... >> kroft: for decades, his reports were the centerpiece of major broadcasts on world events, from places like the philippines... >> simon: this could be as close as the 20th century has come to the storming of the bastille. >> kroft: ...b

the bucharest agreement says we would all protect, russia included would protect the territory tech raty of ukraine. president putin has made a set clear on all of that. he has empowered, encouraged and facilitated, directly, land grabs in order to try to destabilize ukraine itself. and it stems from his policy his decisions, which violate all the international norms with respected to territory and behavior. so we have, i think, made it very clear -- look. i don't think anybody on this committee is suggesting the united states ought to be sending the 101st airborne or the 82nd or even something greater than that. that's what i hear. russia is about to go into recession this year, according to economic predictions. the long term is a problem. our preference is to deescalate this. it could be more productive in many, many different respects. >> thank you. mplts mr. secretary let me just say sincerely i want to thank you for your service and these very challenging times we find ourselves in. i appreciate your comments about the greatest generation in the european theater. truly, it was a gr

president bush the younger at the bucharest nato summit urged nato to consider ukraine as a member andhere was no agreement. the current crisis has nothing to do with nato. it began with ukraine and the eu were close to making a trade deal. and mr. putin decides that was unacceptable. host: another question from the viewer. guest: i mentioned before that there is a dissatisfaction with mr. putin. the problem with authoritarian regimes is that they seem stable until they no longer are. my sense is this. if oil prices remain low for another two or three years. if mr. putin continues his aggression in ukraine, if the sanctions remain -- strong sanctions on russia renain or grow stronger and if the west provides military arms so ukraine can defend itself mr. putin will either have to change his policy in ukraine or he will be under serious political pressure at home. host: from maryland. caller: good morning. thank you c-span. sir, i understand more than a lot of people your comment about a hybrid war that russia is waging. however, i do have concerns when it comes to armling ukraine, the