Parke Wilde, Associate Professor at the Friedman School of Nutrition Science and Policy, Tufts University, discusses food insecurity in the U.S. and the role of the U.S. federal government. See accompanying talk here: https://www.youtube.com/watch?v=FTIASI1XnGk&index=9&list=PLhGq7NS5QKvWznjCKM_gI0F0yAJZJLR_9