Postcard from Pyongyang: The airport now has Wi-Fi, sort of

North Korea is one of the least Wi-Fi-friendly countries in the world. Having a device that emits Wi-Fi signals can result in detention and a major fine. Worse, if you are a North Korean. Public use of the internet is a concept that just makes North Korean officials really nervous.But here's a sign that might be changing.North Korea's main internet provider appears to have put up a Wi-Fi trial balloon at the international departure area of Pyongyang's airport. It's a logical place to start. The