"We have a tremendous opportunity to try to start solving some of our overwhelming problems with population related environment, related to the hatred that exists between countries and religions, so we have a tremendous opportunity, but the dangers are very clearly there."

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People don't hijack planes anymore because that old system of hijacking in order to barter for a prison release or get to a different country no longer works, exactly, because 9/11 recoded the hostage's interpretation of a hijack. If a hijacker isn't trying to use the plane as a missile, then he is in danger of being killed by the hostages. There is no minor terror threat anymore. No mid-level terrorism.

— Heidi Julavits