that plane. it was also a u.s.-made boeing 777. there are about 1200 of those airliners flying around the world right now. peter, if there was some sort of mechanical problem, they've got to come up with an answer pretty quickly because potentially there could be some serious problem awaiting another one of these 777s. >> boeing cannot allow a cloud to be over its flagship long haul aircraft. they must pursue finding what happened. >> tom, how long do they go on with this search? assuming the pingers, the batteries die in the coming days. they found no wreckage from the plane. what do they do then? >> wolf, that's a political question that's got to be answered by every one of the countries involved in the search. and we don't have an answer to it. you know, i see what the prime minister of australia said, now we're ramping up. my response to that would be what have you been doing the