Washington mudslide is 'nightmare scenario' for rescue team

Aired: 3/24/2014 | 0:06:18 | Clip
The treacherous hunt for survivors continues after a massive mudslide in Oso, Wash., killed eight people, with more than 100 others still missing. Jeffrey Brown talks to David Montgomery, a geologist at the University of Washington, for background on possible causes of the deadly disaster.

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