Many Pentagon officials, long exasperated at Japanese foot-dragging, cannot fathom why Tokyo does not simply enforce its will on Okinawa as it has done so many times before.

• 长期以来，美国国防部多名官员对日方一再拖延感到非常恼火，他们搞不懂东京方面为何不像以往多次所做的那样，迫使冲绳屈从于自己的意愿。