there's a lot of information that's provided downstream. is the information given to them, is it copies of information? is it just tidbits of information? are we getting the whole picture? and from the families' perspective, we're getting very little bit of the picture. >> let's go to beijing and senior international correspondent ivan watson. you know, ivan, what are the families there saying today? i mean, the frustration has been building, really building for weeks now. >> reporter: it was remarkable. just moments ago, christine, members of the families of these 153 chinese nationals who were aboard that missing plane were yelling in a conference room, "where's the ambassador?" the daily briefing that malaysian officials have been providing to the hundreds of chinese relatives that have gathered here in beijing, paid for, their accommodation, by