and i don't think we would like to live in a world in which cctv is the model for what we have. so i think we're better off than we may think we are. you know, at the same time, the nightly news has withered to a level. if you put together the audience for the three major nightly news shows, nbc, cbs and abc, you put the audience for those three together. they are less than any of the three nightly news where any one of the nightly news had more audience than the three all together now. there's nothing in those nightly news shows anymore. so, the challenge, i think, of getting it right, is to find ways in which to make sure that people have access. it will not be as easy access as it used to be when everybody thought "the new york times" had all of the news and it was thought fit to print. i think the danger is that news will disappear because there won't be any money for people to create it. i don't think that will happen. i think we will have a very fragmented, but much more thorough way of learning about what the world is becoming. >> in a moment, i'll invite questions from t

that's why the british transport police released this cctv video to see if anyone recognizes this man who they say is a white male, probably in his 40s with a european accent. >> has there been discussion about what provoked this push? were they acquaintances? were they arguing? how did this happen? >> it seems like there was some sort of argument between the victim and the assailant, but what was said, the words exchanged, none of that information has been available. >> still no matter what they were fighting about or arguing about, there's no excuse for that. you can't push a woman into train tracks. you shouldn't push anybody into train tracks. terrible. >> only seconds after they pulled her back out, another train pulled up. police hoping somebody recognizes him and are able to turn him in to authorities. >>> this video you're about to see is the dramatic building collapse in russia. what you're looking at is a nine-story apartment building. there was a gas explosion, according to authorities. as you can see, the building was already partially collapsed, then the rest of that inte