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North american airlines has to used it. it hasnt been implemented in europe. four or five said were going to do this now. from a common sense standpoint in the wake of 9/11 its curious they hadnt put that into effect. whats behind that? >> it is. we have to separate out what we now know unfortunately based on whats happening this weekend. and, alex a lot of things where you kind of cant optimize for everything. lets think about the fact that that reinforced cockpit door that came into effect bec...