Originally Posted by
peachfront
You can argue that our security is imperfect and that a dedicated terrorist/suicide bomber will be able to sneak through -- but most criminals, extortionists, and escapees from mental institutions have been quite well deterred by airport security. You hardly ever get on a plane and wind up in Havana these days. You don't do nothing because you can't do everything.
While security was a factor, the primary reason planes stopped going to Havana was that Castro no longer offered asylum to the hijackers. They were returned to the U.S.