Amid a massive recall involving ignition switches and the scandal over the long delay in doing so, the CEO of General Motors is to appear before a House committee today.
Members of the House Energy and Commerce Committee are likely to express skepticism about some findings of General Motors' own investigation.
According to a congressional aide, members will have more questions about how much CEO Mary Barra knew about the problem when she was GM product development chief. Barra says she only learned of it last year. The GM report exonerated Barra and other top executives.
The aide says former U.S. Attorney Anton Valukas, who was hired by GM to do the investigation, will also testify about his conclusions that a lone engineer was responsible.
The panel's own investigation turned up evidence that more people knew.
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