We speak with Montreal-based writer Adam Leith Gollner about his new book, The Fruit Hunters: A Story of Nature, Adventure, Commerce, and Obsession. Gollner traveled around the world in search of what he calls the forgotten histories of fruit. Among his discoveries: the “miracle berry,” a cranberry-like fruit that turns sour into sweet, but for questionable reasons—including possible conflicts with corporate interests—has yet to reach American consumers. [includes rush transcript]