New York City plans to ban the sale of large sugary drinks, announced Mayor Michael Bloomberg on Wednesday. The ban, which aims to fight obesity, would impose a 16-ounce limit on the size of sweetened drinks sold at restaurants, bodegas, and movie theaters. Joining us is Marion Nestle, professor of nutrition at New York University and author of “Safe Food: The Politics of Food Safety.” Also with us is Jay Cowit, Takeaway Technical Director and Chief Soda Correspondent.