“I talk to the airlines, and they realize there is a looming threat,” Paul Williams told me. “But it’s quite distant for them. They see it as decades in the future. The people really taking notice are the designers. The airplanes they’re designing now will still be flying in 2050, so they can’t wait. And here is a bit of a shocking thing: the design and certification standards for air worthiness are based on turbulence measurements from the nineteen-sixties. It’s reasonable to ask, Are those standards still fit for the purpose? Will they still be fit for the purpose in 2050?”
唐納德·特朗普在週二晚間發表了一場充滿戰鬥性的國情咨文報告，他宣稱美國正經歷「多年來最偉大的逆轉」（turnaround for the ages）。在民調顯示許多美國人對國家現況——以及特朗普的領導——感到不滿之際，美國總統並未透露任何改變路線的跡象。相反，他向全國進行了一場銷售推銷，對忠實支持者發出愛國號召，並嘲諷政治對手。
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