James E. McWilliams, History, Texas State University and author of Just Food: Where Locavores Get It Wrong and How We Can Truly Eat Responsibly, discusses how the global food system will have to change to accommodate a projected poputlation of 9 billion by 2050. McWilliams gave a talk titled “Thinking About the Food Movement: Four Big Ideas About Food and Sustainability” on 4/26 at UO in Eugene and 4/27/11 at UO in Portland.