What's the Secret Sauce for Nuclear?

Nuclear power has been done well for maybe a decade or two, starting in the US in the 60s. He says that because wind and solar have very no tendency towards fat tails, really the best modern construction project in terms of being built on budget and on time are wind and solar. But if you're just building a bunch of wind and solar and your goal is not actually make a bunch of electricity but deliver a steady stream of electricity, you're adding complexity.