darapr daraprim. at this price it is still at the low end. >> in the tweets he's going yeah, the price went up to 750 bucks, yay, right? >> in some tweets he's talking about how people don't understand how the drug company works. and for most people they look at the product that cost 13.50 yesterday and 700 dollars and say why would you do that other than just robin profit. he says we're not even making a profit in this count. we're trying to make it survive and we will use the proceeds to go to potentially new drugs to treat? >> do you buy all of this sanjay gupta? >> there is obviously a cost to developing drugs. what is unusual in this situation is the way it typically works is somebody decides they have an idea to