Disserving San Francisco

When I was a boy growing up in Marin County, just north of San Francisco, my mom enforced an unwavering wardrobe rule on my brothers and me: When we went downtown in the city, we had to wear a suit and tie. We did not have to dress that way in the suburbs or in the peripheral residential neighborhoods of the city. Nor did this dress code apply when we went to sporting events such as a 49ers or a…