President Bush has learned the hard way that his mother was right -- you should not stuff dry pretzels down your gullet and you should pay attention when eating, an expert said on January 14.

• 一位专家1月14日说，1月13日发生的"饼干事件"着实美国总统布什吃了苦头(布什1月13日晚因被一块饼干噎住而昏厥，摔倒在白宫，不省人事长达数秒)，不过这也让布什认识到母亲的教导是多么的正确：吃饼干的时候一定要细嚼慢咽，吃东西要精神集中。