WASHINGTON – General Motors CEO Mary Barra will be back in front of Congress next week to be questioned further about how GM allowed a deadly defect in an ignition switch to go undisclosed for more than a decade.
Barra will appear on June 18 before the House Energy and Commerce Committee's oversight panel, a House aide said Wednesday. The aide spoke on condition of anonymity because the hearing hasn't been publicly announced.
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  She'll be joined by former U.S. Attorney Anton Valukas, who last week issued a report on GM's delayed recall of 2.6 million small cars equipped with the switches. Â
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  Valukas's report blamed the delay on a dysfunctional corporate structure and misconduct or poor decisions by some employees. The ignition switches have been linked to at least 13 deaths.