diplomatic line with egypt. cairo certainly a long-time ally but the fallout unrest could have a lasting impact with washington's relationship with egypt and indeed the rest of the region. fran townsend and mona eltohawie. fran, how concerned should we be for the american citizens in egypt? >> wolf, because the curfew is not being enforced by the egyptian military, as you've seen in the clips provided by nic robertson and anderson, there are large demonstrations, they are entirely sort of unmanaged from a security standpoint. normally you would have officials out there at least making sure they were safe. and you don't have any of that. so you worry about a stampede, a rush, if there was a panic. there is all sorts of things. u.s. government is right to provide this. they're a little slow to get to this now. you would have thought this would have happened earlier on