Negotiations this week between U.S. and British officials over the transfer of sensitive technologies key to the next-generation Joint Strike Fighter reached an impasse on the eve of a high-level, bilateral meeting Thursday intended to resolve the issue, threatening to prolong a festering disagreement between the two allies. Tomorrow's scheduled meeting at the Pentagon between U.S. Deputy Defense Secretary Gordon England and Bill Jeffrey, the U.K. Defence Ministry's permanent secretary, was intended to produce a "statement of principles" to facilitate...