Former law enforcement official Weldon Travis was definitely in the right place at the right time. As he says in his just-released collection of autobiographical vignettes relating to his time as a Marin County Deputy Sheriff, that area in the mid to late 1960s was “wild and woolly.” Consider that the county was occupied by world-famous rock ensembles The Grateful Dead, Sly and the Family Stone, The Jefferson Airplane and Quick Silver Messenger Service, along with rock performers like Janis Joplin and Grace Slick. It’s easy to see why the Bay Area, from the Haight Ashbury District in San Francisco …