Instant Index: Polar Bear Greets Cruise Ship

Diane Sawyer reveals the top stories people have been buzzing about this week.
1:18 | 07/08/13

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Transcript for Instant Index: Polar Bear Greets Cruise Ship
Our "instant index" tonight begins with late breaking health news about a country superstar. ♪ Forever and ever ♪ ♪ forever and ever amen ♪ word tonight that randy traf advice is in critical condition in a texas hospital suffering complications from a heart condition known as viral cardiomyopathy, an infection of the muscle tissue in the heart. Everyone sending thoughts of him tonight. A new twist for the powerhouse star chef nigella lawson. Today woe learned her husband is filing for divorce on the heels of those photos grabbing headlines, saatchi with his hand on her throat. He claims lawson failed to come to her defense. Though he calls her the most wonderful world in the world and a lovely wife for so many years. Here's a photo for the vacation skap book, sailing on the north pole when a little polar bear gets up on his hind legs, a kind of polar who is there. He moved in for a better look of the crews ship, a sniff and then a push. He circles back on his hind legs as if to say keep moving. Quite a postcard for folks back home.

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

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