On this edition of ST, we speak by phone with Jayson Lusk, who holds the Willard Sparks Endowed Chair in the Agricultural Economics Department at Oklahoma State University. Lusk has a new book out called "The Food Police: A Well-Fed Manifesto About the Politics of Your Plate." Here are a few sentences from the book's opening pages: "A catastrophe is looming. Farmers are raping the land and torturing animals. Food is riddled with deadly pesticides, hormones, and foreign DNA. Corporate farms are wallowing in government subsidies.