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In this week’s food feature, I talked to a pair of University of Vermont professors about their new book on food ethics. Here are some questions I wrote to address some of the topics Tyler Doggett, Mark Budolfson and their coauthor, Anne Barnhill of the University of Pennsylvania, discuss in the book.

Former contributor Suzanne Podhaizer is an award-winning food writer (and the first Seven Days food editor) as well as a chef, farmer, and food-systems consultant. She has given talks at the Stone Barns Center for Agriculture's "Poultry School" and its...