TEHRAN – “Anything you say can and will be used against you in a court of law.” That is the warning U.S. police give criminal suspects when they are arrested. Its repetition in American movies and TV has made the notion — that your words can…

TEHRAN – “Anything you say can and will be used against you in a court of law.” That is the warning U.S. police give criminal suspects when they are arrested. Its repetition in American movies and TV has made the notion — that your words can…