Michael Pollan is the author, most recently of In Defense of Food: An Eater’s Manifesto. His previous book, The Omnivore’s Dilemma: A Natural History of Four Meals, was named of the ten best books of 2006 by the New York Times and the Washington Post. He is the recipient of several journalistic awards, was the executive editor of Harper’s Magazine for many years, and now serves as the Knight Professor of Science and Environmental Journalism at UC Berkeley.