When the coronavirus pandemic hit, the Microsoft founder Bill Gates was the most powerful and provocative private individual operating within global public health.Today, we look at the role he has played in public health and his latest mission: procuring Covid-19 vaccines for countries in the developing world.Guest: Megan Twohey, an investigative reporter for The New York Times; and Nicholas Kulish, an enterprise correspondent covering philanthropy, wealth and nonprofits for The Times.Sign up here to get The Daily in your inbox each morning. And for an exclusive look at how the biggest stories on our show come together, subscribe to our newsletter. Background reading: Bill Gates is working with the World Health Organization, drugmakers and nonprofits to tackle the coronavirus, including in the world’s poorest nations. Can they do it?An operation to supply billions of vaccine doses to poorer countries got underway last week. But as rich countries buy most of the available supply, stark inequalities remain.For more information on today’s episode, visit nytimes.com/thedaily.Transcripts of each episode will be made available by the next workday.