** CORRECTS IDENTIFICATION OF WOMAN ON FAR RIGHT ** Kim Langley, far left, mother of Richard Scott Bailey, a U.S. Marine who died driving a 2007 Chevy Cobalt, Laura Christian, center left, of Harwood, Md., birth mother of Amber Marie Rose, the first reported victim of the GM safety defect, Randal Rademaker, center, father of Amy Rademaker of St. Croix County, Wis., who died when her Chevy Cobalt crashed and her air bags did not deploy, and Shannon Wooten of Adams, Tenn., whose son son Joshua died a 2009 crash driving their 2006 Chevy Cobalt, gather at the Capitol for a news conference in Washington, Tuesday, April 1, 2014. The House Energy and Commerce Subcommittee on Oversight and Investigations will look for answers today from GM CEO Mary Barra about a faulty ignition switch and mishandled recall of 2.6 million cars that’s been linked to 13 deaths and dozens of crashes. (AP Photo/J. Scott Applewhite)