James McWilliams is the author of Just Food: Where Locavores Get It Wrong and How We Can Truly Eat Responsibly. He believes that while there are many benefits to organic food, it's not possible to farm organically on a large, global scale. In fact, he argues that some genetically modified food needs further study as proper use can possibly benefit the environment. Read an interview with James in Newsweek.
The first part of Evan's interview with James McWilliams aired in last week's show.