Chef José Andrés on building a better tomorrow through food

We're bringing you compelling conversations from our annual WBUR festival, when thousands of people descend on Boston to hear movers, makers, and other fascinating people in conversation with each other and with WBUR.James Beard Award-winning chef and World Central Kitchen founder José Andrés speaks with Sam Sanders, WBUR alum and public radio maven, about how his new book on Spanish cooking is intertwined with American history and why every president needs a national security food advisor.