plymouth rock

Temperatures have dropped, the wind is blowing gustily, and San Diego has even seen a few chilly and rainy days. That means it's truly fall, the holidays are on their way, and it's time to start planning for the annual autumn feast, Thanksgiving.   While everybody knows the story of the beleaguered pilgrims seeking a more free way of life, the story of Thanksgiving would be remiss if we did not mention beer's role in it.  Beer, with its natural antimicrobial properties, was a dietary staple on ships in those days; as it was boiled, it was purer than most of the water that was available at the time, and because of its alcohol content it was not prone to going bad on long voyages. In fact, part of the reason the Mayflower established a colony at Plymouth Rock and…