closed down pretty soon, again, and there's no significant upside for a no-fly zone and a tremendous amount of down side. >> let's talk about the russian forces that shelled europe's largest nuclear plant in ukraine early friday before taking control of it. now there's word that they're coming close to a second nuclear plant. how concerned should we be that russia has control of this facility, and about the situation with nuclear plants there in general? >> we should be very concerned. while some of our officials in the u.s. energy department are downplaying the risk, the u.n. ambassador at the u.n. accurately stated it, we narrowly averted a nuclear catastrophe the other day. the director general of the iaea is extremely concerned. he says there is a severe risk of a catastrophe. it is two-fold. one is damage to even the containment structures. we're now learning it is being reported that an artillery shell did hit one of the concrete