When it comes to the future of electric cars, Walmart says it has a ‘secret weapon’

By MARK HAWKINS, Associated PressWASHINGTON (AP) — In the late 1980s, the head of the electric vehicle industry and a former vice president of General Motors made a bet with a big investor: if a mass market electric car were to take off, it would make Walmart a lot of money.In an interview, John C. […]