> Hi-jacking a plane has gotten orders of magnitude more difficult after 9/11. Yes. It's important to remember that pre-9/11, the standard expectation was tha

> Hi-jacking a plane has gotten orders of magnitude more difficult after 9/11. Yes. It's important to remember that pre-9/11, the standard expectation was that in a hijacking, passengers would be hostages, not victims. As such, people were specifically instructed not to intervene. That's clearly out the window now.