and to a person, they walked out of the room. very embarrassing scenes for the malaysian authorities of them giving a briefing to effectively nobody. so there is this backlash from the families here in beijing. as you say, some major travel agencies have been boycotting malaysian airlines. wolf? >> david mckenzie in beijing for us. thank you very much. meanwhile british lawyers are offering a new theory about flight 370. they're suggesting the plane was actually downed by a blow torch fired in the cockpit similar to a fire on board an egypt air boeing 777 three years ago. let's bring in the former 77 pilot mark weiss. you've seen this report. what do you make of it? >> you know, wolf, boeing's got almost 12 or 1300 777s flying currently. they've got new airplanes coming off the line. what they've done since this -- since these incidents and