EXCLUSIVE-GM CEO defends plan to sell Ohio plant to startup

General Motors Chief Executive Mary Barra on Wednesday defended the automaker's plan to sell an assembly plant in Ohio, arguing the plan to sell the plant to an electric vehicle start-up was thoroughly vetted and had a chance of success.Barra told Reuters in a brief interview Wednesday after a series of meetings on Capitol Hill that the company did not plan to add a new vehicle to its Lordstown, Ohio, assembly plant that ended production in March because it has additional unused U.S. capacity.La