bloomberg sat down for a wide-ranging interview with katie couric's debut program on yahoo! news. and viewers got to ask some questions during the interactive sitdown. among the hot topics, bloomberg's controversial new york city soda ban. >> the full-sugared drink thing was not banning and not even taxing anybody. it was simply reminding you that it's enormous quantity, 32 ounces. why don't you take 2 16s? >> and you can watch the interview with katie couric on yahoonews.com. >>> and the navy's blue angels are soaring once again. the blue and gold jets returned to the skies over california saturday, after being grounded much of the past year because of spending cuts. the team behind the iconic aerobatic performance is scheduled for 68 performances across the country. catch one of them. >>> and finally, that time of year again when just about everybody feels just a little bit irish. sara haines dancing an irish -- riverdancing. more of that later in the show. in pennsylvania, gaelic pride was on display from bag pipers to irish dancers for the annual st. patrick's day parade in pi

>> and you can watch the interview with katie couric on yahoonews.com. >>> and the navy's blue angels are soaring once again. the blue and gold jets returned to the skies over california saturday, after being grounded much of the past year because of spending cuts. the team behind the iconic aerobatic performance is scheduled for 68 performances across the country. catch one of them. >>> and finally, that time of year when just about everybody feels just a little bit irish. sara haines dancing an irish -- riverdancing. more of that later in the show. in pennsylvania, gaelic pride was on display for the annual st. patrick's day trade in pittsburgh. and in chicago, people line up for an annual tradition. the chicago river turning emerald green. believe me, it really did happen. and in minneapolis, kids donning their costumes for something called the wee leprechaun contest, to raise money for charity. >> i forgot it was that time of the year. it's so cold. >> it's actually tomorrow. so, getting tuned up early. >> for cold weather, you can have something they call antifreeze. >> i heard a

and nancy the newscaster was sort of like a katie couric of her day, i guess, and would just be shooting off one question after the other, and they'd have to get through it. but ream in particular helped annie because annie had a stutter, and it made it all the harder for her to be in the spot life. >> right. yeah. and didn't they run into nancy the newscaster at the cape at some point in the future? >> they did, yeah. >> i love that too. did you get a chance to, i mean, i know a lot of this was their life was revolved around also being followed by a "life" photographer and having a writer. did you ever talk to any of the "life" photographers or writers in the research that you did? >> yeah, i did. and, you know, that was quite revealing. but, you know, it was -- what was hard back then was they had to, even the "life" writers had to fit a certain mold because, you know, it was sort of propaganda that was being produced. the astronauts and their families and their wyomings all had the right -- wives all had the right to review the stories that came out about them, as did nasa. so there w

what melissa -- marissa mayer said, she was excited and thrilled that they were reaching out and katie courico be part of the yahoo! universe. she is an engineer. from an engineering respective, what are they doing. been very clear about what they have been focused on. first it was people, products, and then revenue. if you do not have a full and complete understanding of how to make the revenue, maybe the people and products on going to be the right fit. -- are not going to be the right fit. they are only now beginning to figure out the revenue problem. they're getting there. us a number.ve if you strip out ali baba and yahoo! japan, what is your value for yahoo!? >> i have about 7.5 billion dollars in value in core yahoo!. seven dollars a share. the company is reducing a lot of cash flow. even after you account for ongoing acquisitions to drive any growth, there is no growth organically to come from yahoo!, only that what they buy -- that which they buy. they produce a lot of cash in a business. unfortunately, it is a minority of the validate -- the value of the company. $7 or so in yahoo!

the for the royal wedding and i was coming back, and i got a call saying -- i was filling in for katie couricfor katie but the president will be available tomorrow and so you'll be interviewing the president. i thought okay. it was odd and wonderful. the first time i met brian williams and diane and they were beth both so gracious. you're sitting there and there was a moment that i thought oh my gosh, you know, i'm sitting across from the president and interviewing him right now. and then i thought, you know what, but you have a job do. so i knew how tight that ten minutes was that we were given, and so my focus was really like, you know what, this is a guy like anyone else, yes, he's the leader e of the free world, yes, he's the president of the united states, yes, he deserves my respect, but you know what, the american people deserve some answers and it's my job to get them. so i need to focus on doing my job and doing it well now and treat him like any other interview. >> what kind of interviews do you find to be the hardest for you? >> some of the most difficult are ones that are very emo

. >> i don't know, katie couric, you tell me. >> reporter: defiant. >> i don't have to listen to anything >> reporter: annoyed. >> what kind of question is that? >> reporter: even playing lawyer. >> i object. >> reporter: the superstar gave a nearly 4 1/2-hour deposition in miami thursday stemming from a lawsuit filed by photographer jeffrey binion. >> would you please look at the film that's up there? >> this is a film? this is a film? >> pause it. would you please watch the television? >> you said it's a film. you said watch the film. is this a film? >> reporter: if the new le released testimony, bieber becomes visibly upset when questions veer from legal to personal. >> do you know selena gomez? >> yes. >> have you ever talked with selena gomez and discussed your feelings about paparazzi with her? [ sighs ] >> don't ask me about her again. >> reporter: binion's attorney presses on. >> don't ask me about her again. don't ask me about her again. >> we're going to take a break. just stop. we're going to take a break. let's take a break, justin. >> reporter: dismissive when the questions t

. >> she's rich in them and brought in new people like david pogg and katie couric.s registered customers. >> does that mean we might expect traffic not to be as robust but pricing will be and revenue will be? >> that is the risk. you could view this as a quasi-payroll but for the content people are going to have to go and get a yahoo! account. before, you would login facebook to get your fantasy sports. next football season you will have to have a yahoo! account. >> what kind of user is not going to be willing to signed up for an id. probably a poorly engaged user. so you want to make sure that what you're offering is engaging enough that people are willing to do this. once you have that information, once you have people logging in it's easier to get them engaged on a new mobile product. it's easier if you take search in-house which yahoo! is making moves to do to track them across multiple different activities on the web it. >> could be a smaller, richer user base. >> fascinating story. meantime steve ballmer is back speaking at graduate students at the university