Whitacre Vows to ‘Learn About Cars’ as GM Chairman (Update1)

“I don’t know a thing about cars,” confessed Edward Whitacre Jr. in an interview soon after he was named chairman of GM. The 67-year-old Texan knows a thing or two about running a big business, though, having spent 43 years at AT&T before retiring from his dual role as chairman and CEO in 2007. Still, Whitacre will be overseeing a company where no outsider has led the board for more than half...