Can you imagine spending all day building model cars, five days a week, and gettingpaidfor it? That was an idle fantasy of mine as a youth. But that's exactly what Warren Riggs does for a living.

The company’s chief executive, Elon Musk, said this week that it would stop making the car, an electric pioneer in 2012, as well as the Model X. By Neal E. Boudette Thirteen years ago, Mike Ramsey, an ...