Mercedes-Benz USA chief: The electric vehicle's existential threat to the gasoline car is 'more than a decade away'

Elon Musk may take issue with Dietmar Exler. The electric vehicle poses an existential threat to the gasoline car — however, that threat is "more than a decade" away, Exler, Mercedes-Benz USA’s freshly minted chief told me at an Atlanta Press Club event Tuesday...