This morning, the food section of the San Francisco Chronicle covers the conflict between Carlo Petrini and the Ferry Plaza Market farmers. There’s a really interesting conversation going on in the comments over at Steve Sando’s blog — Sando, who runs Rancho Gordo is one of the farmers who sells his stuff at Ferry Plaza, and he’s on the board for the non-profit market. He also is one of the folks who met with Petrini when he was in town last week promoting the upcoming Slow Food Nation event next Spring. Petrini has a book out, and was supposed to…