The idea that what’s good for corporations is what’s good for Americans has its roots in early 20th Century ideology. Naomi Oreskes is professor of the history of science at Harvard and author of “The Big Myth: How American Business Taught Us to Loathe Government and Love the Free Market.” She joins host Krys Boyd to discuss the public relations campaigns designed to crush regulations and unions. Her essay “The Magic of the Marketplace,” written with Erik M. Conway, is included in “Myth America: Historians Take On the Biggest Legends and Lies About Our Past.”