No one in authority in Washington or Tokyo will say publicly that current turmoil is likely to unhinge the 35-year-old U.S.-Japan security alliance, but week by week a sense of alarm is growing.

• 华盛顿和东京的权威人士无人愿意公开承认，目前的骚乱可能会使已有35年历史的美日安全同盟毁于一旦，但是恐慌之情与日俱增。