Three years ago, a town of 2,500 formed an unlikely relationship with multibillionaire Bill Gates. He had new nuclear technology and Kemmerer, Wyoming, had a declining coal industry. This week, Gates broke ground on a first-of-its-kind power plant. Will it revive a struggling local economy or upheave the small community’s way of life? Also in this episode: Summer gasoline use is down, Nvidia dominates AI chipmaking and apartment buildings aren’t being built — despite high demand for more housing.