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<http://www.providencejournal.com/apps/pbcsi.dll/bilde?Site=PJ&amp;Date=20130916&amp;Category=OPINION&amp;ArtNo=309169876&amp;Ref=AR>
<http://www.providencejournal.com/opinion/commentary/20130916-stanley-m.-aronson-the-long-calendrical-insubstantial-arm-of-coincidence.ece>