>> it's catastrophic. it could get a lot worse. about 45,000 people the u.n. estimates have actually fled on to u.n. bases, but of course, those bases are not really protected. the u.n. mission was having a lot of logistical problems before all of this happened. there was one u.n. base as you know that was attacked last week where two u.n. peacekeepers were killed, and also people who fled to the bases. the u.n. is now pulling it soldiers it has in neighboring congo to try and beef up security around those bases. as you said, the u.n. says it's flying all nonessential staff out of the country into uganda but also made very, very clear they are going to do their best to keep protecting the civilians therein 0 the grounds because what they want, what they don't want under any circumstances is for these ethnic tensions to get worse and for there to be any sort of massacres between these two tribal factions. that could very easily tear the country apart. >> tell us what the president is referring to when you talk about