I know fog isn't the constant companion of everyone who lives in the Bay Area, but it is a fact of life for many of us who live in San Francisco and other areas closest to the coast.  One day it is sunny and warm, and the next thing you know cold, damp fog is rolling down the street pushed forward by strong, chilling winds from the Pacific.  And for me, taking long treks from neighborhood to neighborhood for any purpose loses a lot of its appeal on these windy, foggy days.  The secret is that you learn to roll [...]