One day last week a furtive man carrying a small, neat bundle came out of a little house in Teheran's Goethe Street.
"May I see what's inside this?" asked an Iranian police inspector, indicating the package. "Oh, it's just some nougat that I wanted to send my brother," said the man casually. "All right," said the policeman, "let's take it to my office, and we'll eat it together." At headquarters the police opened the package. It contained three pounds of heroin wrapped for delivery to a dope pusher in New York City.
Inside the house on Goethe Street police found a...