Learning from history. Old adage about not repeating past mistakes actually holds some wisdom.
McLaughlin
Neil
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D000846:Anniversaries and Special Events; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D008484:Medicaid / Q000266:history*; D006278:Medicare / Q000266:history*; D011057:Politics; D014481:United States