Wealthy countries make up just a fifth of the global adult population. But they've already snatched up more than half of the world's vaccine supply. Some critics say these countries should share vaccine supplies in order to help end the pandemic. Meanwhile, the U.S. still faces high levels of vaccine skepticism and hesitancy, even with its high supply of vaccines. What role should the U.S. and other superpowers play in the global vaccination effort? And how can we continue to combat vaccine hesitancy at home? We get into all that and more. Want to support 1A? Give to your local public radio station and subscribe to this podcast. Have questions? Find us on Twitter @1A.