West Marin Freeskool will sponsor a comprehensive turkey harvesting class on Sunday, November 20 at Gospel Flats Farm, in Bolinas. The course, lasting from 10 a.m. to 1 p.m., will avail participants of the secrets to slaughtering, plucking, eviscerating, brining, curing and cooking their bird. According to the course description, “This process reveals both intriguing anatomy lessons . . .