When you occasionally have a really bad day, and you just need to take it out on someone, don't take it out on someone you know -- take it out on someone you don't know.
A Northwest flight while enrout from Houston to Minneapolis lost an engine.
A worldwide survey was conducted by the UN. The only question asked was: "Would you please give your honest opinion about solutions to the food shortage in the rest of the world?"
Yes, these are (apparently) all true.