It’s a little early, ladies,” says Jeff Bezos, and he erupts with his signature machine-gun laugh. His fiancée, the newscaster turned helicopter pilot turned philanthropist Lauren Sánchez, has just asked Bezos to make us margaritas. It is 2 p.m. “We’ve had a long day!” she says, with a coy smile. Indeed, Sánchez has already taken me on a helicopter tour of the vast West Texas ranch where Bezos spends holidays and launches rockets from his Blue Origin space facility. We have also descended 500 feet to the base of the so-called 10,000 Year Clock, a subterranean engineering feat envisioned by Bezos with next generations in mind. “It represents thinking about the future,” Sánchez says.
Sánchez, 53, and Bezos, 59, have their eyes trained on their own future. In May, Bezos…