. >> leigh, we have seen robert cra kraft, jim boeheim, is there any particular industry you're interested now? >> i think that if you look at a film like "concussion," there is new helmetry that can prevent the problem. there are pharmaceuticals. you have apps for the internet that -- and that bring fans closer to sport. you have sports health products that promote longevity. you have sports theme motion pictures and television shows. you have environmental projects that can be put into stadia and arena. you have new stadia and arena that we can help assist. it's a whole variety of exciting breakthroughs that are popping in sports and entertainment in a variety of ways. new medical breakthroughs. new ways to deliver content, and it's an exciting field, and we think there are amazing opportunities. >> give us your take on these two super bowl quarterbacks. in terms of marketing appeal. peyton manning, we know he's been around for a long time. he kind of has this good guy dorky appeal, if you will. even in the way he markets himself. then you have cam newton, who wore the zebra striped cert

can name several others that are part of that loss that i would not hold any longer. >> yeah. >> so, robert, if you're comfortable holding ibm, comfortable, i assume, holding some other things that mr. buffett has, my question for you is at what point do you personally become uncomfortable with a holding? what is -- what does your sell discipline tell you is the right time to get out of a position? >> well, i'm a long-term investor. so if the general conditions of the business are irreparably damaged, then i'm a seller. but i have owned berkshire hathaway for 20 years. and it is the largest position in my portfolio holdings and i'm very comfortable with it. buffett made other mistakes. he has lost money on conocophillips, the very name of his company is -- his biggest investment in the stake, which he's quantity tiesed at $100 billion. so even though he's a great investor, he has made mistakes. >> the washington post company, that was a newspaper that was top of the world in the 1970s and into the 80s. then, you know, it was sold for $200 million, which is really a pittance now that there w