you can imagine a kid in a village in africa or the slum in calcutta who gets access to a low-cost phonetablet device that, in five or 10 years,will be everywhere. for every albert einstein we found, how many of them did we not find? how many got squandered because they didn't learn to read, get an education, etc., etc. imagine if we could increase by an order of magnitude, by a factor of 10, the number of albert einsteins in the world. the number of people who can do can cancer research. the number of people who can think about alternative energy. this could be a force multiplier like we have never seen. it is very exciting. emily: do you think videos can replace learning in a classroom? sal: if learning in a classroom is about information dissemination, and some of the classrooms we grew up in was about that, videos can do that. in some ways, it is more bite sized, it is more on demand. but i do not think the physical classroom goes away. i think it is a huge opportunity to allow the physical classroom to move up the value chain. if students are able to get their information at their o

instead of going up in new orleans, if you grew up in calcutta, i might have -- you don't know what paths have been. they do have a growth mindset. they push themselves to learn new things, but also had a lot of opportunity and at the right place at the right time. and a little dose of luck never hurt. i think mark zuckerberg would've been successful in anything that he did. i don't think anybody could be him, but i think that are a lot of people that could be mark zuckerberg. emily: what does the classroom look like 10 years from now? sal: kids are able to create things at 10 or 20 years ago you needed an engineering degree to build. schools will be these maker spaces. they could be making art, poetry, starting businesses, who knows what might be. i hope to be doing this until the day that i die which hopefully is not for another 50 or so years. if i imagine a world in 500 years, i hope khan academy is still around. what do we need to do to make this an organization that can reach a billion students? what needs to be done? what is at stake here? i hope i keep making videos. emily: thank

sal khan's life forward or back instead of going , up in new orleans, he might have grown up in calcuttadon't know what paths might have been. there are people who push themselves to grow. but they also had a lot of opportunity. they were in the right places at the right time. and a little dose of luck never hurt. i think mark zuckerberg would've been successful in anything that he did. i do not know if i can say that everybody could be mark zuckerberg, but i think that are a lot of people that could be mark zuckerberg who right now think they cannot. emily: what does the classroom look like 10 years from now? sal: kids are able to create things that 10 or 20 years ago you needed an engineering degree to build. schools will be these maker spaces. it does not have to be technological things. they could be making art, doing poetry, starting businesses, who knows what might be. emily: what about you? sal: i hope to be doing this until the day that i die which hopefully is not for another 50 or so years. it might be longer if we hit the singularity like some people think. if i imagine a worl

in some ways, even though she grew up in france and i grew up in calcutta, we have very similar backgroundse this process of knowledge building through doing the experiments. >> it was started at m.i.t. and then very closely after, we started the office here in india. now we have offices in every continent except oceania. >> we wanted to do randomized controlled trials on issues relating to poverty. >>the concept is very similar to a clinical trial. you take people. randomly select part of the population. give them the new drug. the other half gets the standard of care or a placebo. because they have been randomly selected, they look exactly the same. you can compare them. you can get a good answer on the effectiveness of your drug. you can do the same for any social program. it gives you a very good sense of the effect of the intervention. >> usually i will wander around and try to listen in on the surveys, because the one useful thing you can do is sort of figure out -- there is often a gap between what you think the question is and what is being asked. so when i listen to it, the way it

immigrants living in manhattan, the population density of manhattan was greater than the city of calcutta and india. there were almost three times as many people living on manhattan island then there are now. packed densely mostly into the working-class districts way downtown. mire london was elected to congress in 1914. london, another guy, speaking the language of socialism in the american tradition. says london, just as the parties preceded the civil war, how much of the abolitionist shaped this thinking of later radical spring just as the numerous parties preceded the civil war had the slavery as its issue, parties today dividing the issue of whether the industrial oligarchy should survive and democracy parish or the republic will survive and wage slavery will perish. it is the abolitionist movement of the 20th century. great quote for you the socialist movement is the abolitionist movement of the 20th century. the trajectory of american radicalism. in new york city, not only on the lower east side but also yorkville, upper east side which was heavily german population at the time and

it's like calcutta out there. what are you doing?o round up any crap i can find to regift this christmas, like this little gem here-- last year's present from bobby's uncle. racist uncle or drug dealer uncle? racist uncle. drug dealer uncle is now prison uncle.

you can see the excessive rainfall we are expecting to continue just to the west of calcutta. on top of the rain we already experienced, lately this is the 24 hour rainfall totals this is going to lead to the possibility of more flooding for this region. >> we'll stay in touch with you on that. thanks so much. >>> you're watching "cnn newsroom." drones are causing problems for pilots. two close calls in one day. both at one of the world's busiest airports. more on that story ahead. >>> plus puerto rico has defaulted on a major debt. what natives are saying about the island's dismal economy. because 100% whole grain oats are incredibly good for you. because they're heart healthy because they're good for kids. and granddads and everyone else in the family. everything we do is because of what really matters most. the goodness of oats and the people we love. prep trauma unit 5. what've we got? bp 64/40 sterilize sites. multiple foreign objects in the body. tweezers. (buzz!) (buzz!) if you're the guy from the operation game, you get operated on. it's what you do. (buzz!) if you wan

. >> are joined live from calcutta where hundreds of thousands have been evacuate to relief camps.rter: errol, there are still 200,000 at least in these relief camps just in this state of west bengal alone and a lot of the officials were saying they expect the people to stay there for at least the next week or two weeks because the waters are not going to recede any time soon. the main situation right now, the main problem in these parts is the overflowing dams. this part of west bengal it's got some of the biggest rivers in the country, including the ganges which is what you see behind me. every once in a while the dams have to be opened to release the excess water. that's why the areas are inundated a couple times a day. that's here outside in the outlying areas of west bengal the situation is much, much more desperate there. kilometers and kilometers of flood water as far as the eyes can see. this district in eastern india is one of the worst affected. the main river is 7 kilometers from here roughly five miles. but you can see how far inland the water has come and people have s