We have no idea what we’re doing,” declared Elon Musk, standing beside a yawning “test trench” in Southern California in 2017. A crowd of engineering students and tech reporters hooted and hollered, ...

New York to Washington in 29 minutes? Elon Musk says it's possible and he has the government's approval to do it (though it's anyone's guess how long it would take to build). "Just received verbal ...