it's probably the least developed country in the entire world. >> let's go to dr iyorlumun uhaa on the ground in sudan. you served women and children in unicef for five different count rice for 20 years, is this as bad a situation as you have seen? >> from my many years walking with unicef and the u.n. in general, i would think that this is the worse crisis i have seen, with over 180,000 people displaced from their homes, with 75,000 of them within the u.n. premises. most of this are children and women. women who have been separated from their families, back in juba, in bor, malabbinga and all over the country, this is one of the worst crisis i have seen in my experience with the u.n. and unicef. children, of course, and women become the major victims of this crisis. >> this erupted quickly. the problems were there and known to be there. the crisis set off in a short period of time. so as i understand it, we have now got a situation on the ground where you have all these thousands of refugees, tens of thousands running out of the food and hiding from growing violence. how difficult is