The reporter who comes to Karachi, Pakistan is given certain cautions. Do not take a taxi from the airport; arrange for the hotel to send a car and confirm the driver's identity before getting in. Do not stay in a room that faces the street. Do not interview sources over the phone. Do not discuss subjects such as Islam or the Pakistani nuclear program in the presence of hotel staff. Do not leave notes or tape recordings in your room. Do not discard work papers in the waste basket; flush them down the toilet. Do not use public transportation or...