administration and others administrations across the followed up with a directive that gives mandatory orders to owners of the plane that they have to do something, fix something. in this case it was retraining. they added a black box warning in the flight manual about how to detect that you're having this problem with this system that pushes the nose down without the pilot's input. and know what the response was supposed to be. you were supposed to treat it like a run away trim. those new warnings went into the manual and each pilot that flies the plane was supposed to have new training on what to do. but, you can only do so much when you're on the takeoff phase in the flight because you're only at a couple thousand feet of altitude and as anyone who flies knows, it's altitude that gives you time. they had no time. >> and, again, it will be a question as part of this investigation, do the pilots around the world know how to fly this new plane? along those lines, mary, china