Osama bin Laden was amazed, so he said, "I want an impenetrable wall around Afghanistan, Iraq and Iran with all believers of Mohammad inside and all Jews, Americans, and other infidels forever outside our precious state.
"Pooooof! Again, with the blink of the Genie's eye, there was a huge wall around those countries.......
The American engineer asks, "I am very curious. Please tell me more about this wall".
The Genie explains, "Well, it's 5000 feet high, 500 feet thick and completely surrounds these countries........ it's virtually impenetrable.
Now what is your wish?"
The American engineer smiles and says, "Fill it with water."
Pooooof!
WORLD PEACE!