Dr. Ruth Faden, an expert in biomedical ethics with Johns Hopkins University, has helped vaccine drives answer some tough questions: Who should be ahead of who? Do we prioritize speed or equity? And once people are inoculated, should they get ‘vaccine passports’ allowing freer movement? She joins James Hamblin and guest host Maeve Higgins to assess how we’ve done — and what we could expect next. Support this show and all of The Atlantic’s journalism by becoming a subscriber at theatlantic.com/supportus. Learn more about your ad choices. Visit megaphone.fm/adchoices