Finally, the single most important step that US President Barack Obama could take is to put the credible threat of force back on the table. In three years of increasingly bloody conflict, the only diplomatic success was achieved when Assad believed that he faced US missile strikes.
最后，恢复可靠的武力威胁是美国总统奥巴马可以采取的最重要步骤。在血腥程度不断升级的三年冲突中，阿萨德相信面临美国导弹袭击时取得了唯一的一次外交成功。他突然认识到销毁化学武器的益处。