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Instant Index: Eight Great White Sharks Spotted Off Cape Cod

Diane Sawyer reveals the top stories people have been buzzing about this week.
01:38 | 07/20/2013

Transcript for Instant Index: Eight Great White Sharks Spotted Off Cape Cod

Topping our instant index tonight is one chart makes you wonder if it's safe to go back in the water. How about not one, but two. Eight sharks spotted off cape cod. They were caught on camera by... See More
This transcript has been automatically generated and may not be 100% accurate.
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