Why Tesla could give Volkswagen a 'critical edge,' according to one expert

Volkswagen denied recent reports from German publication "Manager Magazin" that its CEO, Herbert Diess, wanted to buy shares in Tesla to access its software and battery technology. Yahoo Finance’s Zack Guzman discusses with former New York Congresswoman, Nan Hayworth and the Editor-in-Chief of Autoblog, Greg Migilore.