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Tornado Outbreak: Destruction in the Heartland

The Midwest has suffered from three straight days of tornado activity.
03:42 | 05/20/2013

Transcript for Tornado Outbreak: Destruction in the Heartland

They know something about killer wind speeds in Moore Oklahoma in fact may third is a shorthand in that part of tornado Alley. From the 1999 storm that took over forty lives -- municipal website even... See More
This transcript has been automatically generated and may not be 100% accurate.
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