Veganism, freeganism, organic, sustainability, simplicity, biofuel, animal rights, worker’s rights, nutrition, preventing hunger, reducing waste and protecting the environment. What obligations do we have when it comes to buying, eating and producing food? How should we balance moral and practical concerns? John and Ken chew on these questions with Michael Pollan from the UC Berkeley School of Journalism, author of The Omnivore’s Dilemma and In Defense of Food.