In the last few months, however, a civilian airliner was downed in eastern Ukraine by a sophisticated Russian-made missile, tensions have increased around disputed islands in the South and East China Seas, and chaos in the Middle East has continued to spread. The Israeli-Palestinian conflict is in one of its worst phases in decades, with the renewed frustration unleashed by the massive loss of civilian life in Gaza likely to encourage extreme reactions.
但是，在过去几个月中，民航班机在东乌克兰被先进的俄罗斯制导弹击落，中国东海和南海的争议岛屿紧张局势升级，中东的乱局也在继续蔓延。以色列-巴勒斯坦冲突进入了几十年来最糟糕的阶段，加沙平民大量伤亡的坏消息有可能鼓励极端反应。恐怖分子也许很快就能获得极难侦测到的武器。