Original broadcast date: November 17, 2016. Food is more than nourishment. It's a source of pleasure — and guilt — and an agent of change. This episode, TED speakers explore our deep connection to food, and where it's headed. Guests include community leader Pam Warhurst, food writer Mark Bittman, pediatrician Robert Lustig, experimental psychologist Charles Spence, and entomologist Marcel Dicke.