The San Francisco Chronicle is wrong to think of re-tooling the food section to make it something different than what readers have long been used to reading. The recent Facebook page devoted to saving the food section is just one example of the kind of backlash the newspaper has been receiving. (Newspaper management has responded that food coverage will remain the same but has not said that the food section will remain.) I have long studied newspaper food sections which began in the women’s pages. Newspaper food sections have long served an important purpose for home cooks and restaurant fans. Readers wrote letters and called the editors on a regular…