Sometime back in the 1970s, I read an article with a title very close to Where Have All the Airports Gone? I wish I could remember where I saw it, or who wrote it, because the title stayed with me for decades. I was young enough then that airport closures still felt like something that belonged to a distant future. The idea of looking around someday and finding fewer and fewer places to fly seemed almost abstract. It does not feel abstract anymore. Over the past twenty or thi