Seattle's Big Bertha Tunnel Drill Blocked by Mystery Object

By: CBS

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Uploaded on December 17, 2013 by CBS

Something is blocking a massive drill from carving out a new future for Seattle's commuters. John Blackstone reports on a mysterious problem encountered by the Emerald City's version of the "big dig."

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Seattle, Big Bertha, Drill, Dig, Tunnel, Commuter, Big Dig, Mystery, Problem, Blackstone, Video, Videos, Cbsnews.com Video, Cbs News Video, CBS This Morning, Entertainment

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