was this belief that the malaysians had data that indicated there was a preprogramming or reprogramming of the flight computers that took it away from the course to beijing somewhere over the gulf of thailand and sent it on the westward course that we have now charted. now, it's not clear why that information was relayed to u.s. authorities last week but we do know from malaysian authorities today that everything was normal in the computer system and that the acars system, the system that relays that system back to home base didn't indicate anything was amiss on the way to beijing. >> is there any reason, evan, we should doubt this new information? as you know there's been conflicting data from the malaysian authorities? it's gotten better. is there any reason to doubt this particular update? >> not really. one of the things that the malaysians have done is to say,