expression for it. it's called detailed confidence. >> yes, the detailed confidence factor. and it basically waits. it waits each of those details, so other details come forward and they become more important, because they don't have -- they have a better weight than something else. so now we can take this, "all right, good night" and put that at a lower confidence level which affects the bayesian theory. >> for anyone who flies, obviously, we want to have the optimism that we can solve this very sad mystery and particularly for the families who are waiting to find out what happened to their loved ones. we certainly want to have the optimism. but it's really hard to gin that up, day after day, with all of these other reports. if i can ask the three of you to stand by. thank you for that. hold on. there is other big news we're following, as well. big story today. tense times along the russia-ukraine border. listen to this. >> we've just been stopped by the border guard. they told us that is a closed military area and we have no authorization to be there so they're escorting us out. >> russian troops on the move