SpaceX's CFO, Bret Johnsen on Elon: "He does everything that he sets out to do." When he joined in 2011, people rolled their eyes at Mars talk. Now the only response is "what year?" The genius he describes: every audacious goal gets a real business model behind it.Reusable rockets, Starship, Starlink, now AI, each one funds the next step toward multi-planetary life. The mission never changed.Source: @SpaceX @GavinSBaker