Bill Gates, the world’s richest man, and Warren Buffett, the third richest, are—not entirely coincidentally—two of the most unremittingly optimistic men on the planet. So when I met the two of them in New York recently to talk about the state of humankind, and about the future of American democracy, I had a clear understanding of my mission, which was to pressure-test their sanguinity at every turn.
I tried, and failed, though not completely. Both men appear to doubt some of President Trump’s innovations in rhetoric and policy. Both men have warm feelings about immigrants, and also about facts, and so are predisposed to react skeptically to recent developments in the capital. When I asked whether they believed America needed to