Senators grill GM CEO Mary Barra on day two of hearings focusing on ignition switch defects that prompted a delayed recall of 2.6 million vehicles. Renee and Phil Trautwein talk about 19-year-old Sarah Trautwein, who was killed in a 2009 Chevrolet Cobalt crash -- one of the cars being recalled. Congressman Michael Burgess, R-Texas, also discusses.April 2, 2014
