Volkswagen could shut down as many as three factories in Germany and lay off tens of thousands of workers as it seeks to regain its edge in Europe amid slumping sales and increased competition from China, the company’s top employee representative said Monday. ***snip*** The representative, Daniela Cavallo, who leads the council representing the company’s employees in Germany, told a gathering of workers at Volkswagen’s home plant in Wolfsburg that the proposed closures were part of a plan that managers had presented to the works council. The company “wants to close at least three VW factories, downsize all remaining plants,...