Chicken is America’s most popular meat. But chicken supply chains — in fact, many of our food supply chains — are in danger of breaking down. Part of the reason is the workers who process and package those goods are getting sick. In some cases, they’re dying.

For the first episode of our new season, “A History of Now,” we focused on America’s chicken supply chain because it raises a huge, looming question: How is it that essential workers don’t have essential protections? How do we get through a crisis — any crisis — if we can’t be sure our food-producing workforce is safe?