General Motors CEO Mary Barra is sworn in on Capitol Hill in Washington, Tuesday, April 1, 2014, prior to testifying before the House Energy and Commerce subcommittee on Oversight and Investigation. The committee is looking for answers from Barra about safety defects and mishandled recall of 2.6 million small cars with a faulty ignition switch that's been linked to 13 deaths and dozen of crashes. (AP Photo/Evan Vucci)