Crack In the Arctic Ice: Can We Jump It?

While tracking narwhals in the Arctic, ABC's Linsey Davis and team encounter a dire situation.
3:00 | 08/21/12

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Transcript for Crack In the Arctic Ice: Can We Jump It?
Well I'm not really sure Michigan Minnesota on business -- small salon. So should we should know. -- -- -- -- -- -- Lucille Ball did yeah -- -- here. -- twice as long as long period. We'll -- the elderly group. -- we're -- to be -- it. Should be. That. Should be. The bottom is nice. That this is. -- -- -- I think he. I was left to you being here. Could -- book. Might might -- you will also work as a flotation device and its economy.

This transcript has been automatically generated and may not be 100% accurate.

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