issues, questions about, you know, making sure there is nor regulation around that? >> sure. a lot of these questions are not new. a lot of these questions were asked after september 11, 2001. for example, in the investigation, you know, by congress, by the 9/11 commission and then, you know, i was involved in the litigation investigation and investigation litigation of that for 12 years and we learned things like, for example, the same key opened all the boeing planes and just little things like that that we learned. so, a lot of things that can be done for security on the ground. but we tend as a nation to look at the last attack. so, we're worried about hijackers using a plane as a tactical weapon. you notice that's one of the things the law enforcement says, it wasn't terrorism. well, people having a mental crisis or drug crisis can do damage just like a terrorist, too. that will be a question, too. what are we really protecting at