Despite verbal acrobatics reminiscent of George Orwell's 1984, Sri Lankan officials have been unable to dismiss a shocking mobile phone video from last January purportedly showing Sri Lankan soldiers summarily executing naked and bound captives. The government has consistently claimed the video is fake, without providing any evidence that the gruesome scene was staged or the footage tampered with. Now, the top United Nations envoy responsible for investigating extralegal executions around the world has added his voice to those believing the tape to be genuine. After commissioning three...