At a school career day event recently, a few students approached San Joaquin Delta College horticulture instructor Michael Toscano and asked him, in so many words: “Can you teach me how to grow marijuana?”They were serious, he said. With the passage of Proposition 64 last November legalizing recreational marijuana use, a brand-new industry will emerge in the years to come with legitimate jobs for those willing to learn.Which is why Toscano is now unofficially [...]