I have, of course, explained to my kids that things are different now than back when I had to walk nine miles to and from school every day, barefoot over broken glass, in 20 degree (F) weather, uphill both ways, into the face of sleet driven by gale-force head winds (also both ways of course.) Despite my teachings, they seem unable to fully comprehend the concept of "global warming," raising the morbid fear that they might have "Republican tendencies" that would be most undesirable; however they both have shown very real intellectual curiosity and competence on other subjects so that my unease probably is unwarranted. John
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