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There are a lot of idiots posting to BS incapable of making a logical argument or putting forth a reasonable hypothesis for anything. Don't take it personally. It's intentional, due to the idiotic columnists whose only real purpose is to generate tabloid controversy for clicks.
And as bad as Lyn Cheney is, the idea America's problem with geography, which goes back many decades, is due entirely, majority, or even significantly to her, is patently idiotic.
There are many reason's, primarily that we're a huge country isolated by vast distances and two oceans, where people travel internationally very little, and we have tremendous leisure time spent on frivolity with ever decreasing academic scores. By comparison, most developed countries in Europe and Asia have many countries on their borders which they frequently travel to, and share international events such as European Football. Also, average and median European and Asia academic scores have long been higher than American.
Apparently you don't have much information in your head, and notions rattle around eventually sticking to what little data you have, much like tumble-weeds and brambles on a barren landscape. Which produces something resembling an epiphany in you, which you then type down, because you're too ignorant to distinguish that from a well considered hypothesis, never having experienced one.
Which means of course you're the perfect job candidate for Salon's click generating tabloid sections. You should apply.
Though I imagine the Salon events must be an uncomfortable mix between the tabloids like BS and Manjoo the clueless, and Salon's real journalists, with functioning brains.