Earlier this year, the world’s elites agonized over climate change as the planet’s great existential crisis. And then along came a global pandemic. Hoover senior fellows John Cochrane, Niall Ferguson, and Hoover visiting fellow Bjorn Lomborg—this week’s guest “GoodFellow” and the author of a new book on the climate-change debate—discuss where the “environmental justice” movement is taking America and the world’s nations.