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Blackout Cause Still Eludes Experts

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Blackout Cause Still Eludes Experts

Blackout Cause Still Eludes Experts

Blackout Cause Still Eludes Experts

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  • <iframe src="https://www.npr.org/player/embed/1400919/1400920" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

The head of the Federal Energy Regulatory Commission says authorities have several clues but few answers as to what caused the largest blackout in North American history. The results of a joint U.S.-Canadian investigation into the power outage are not expected for weeks. Hear NPR’s David Kestenbaum.