Instant Index: Lindsey Vonn Tweets from Hospital Bed

Diane Sawyer with the top stories that have people buzzing this week.
1:31 | 02/11/13

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Transcript for Instant Index: Lindsey Vonn Tweets from Hospital Bed
At the top of the "instant index" tonight, you'll remember her. Well, the heart-stopping tumble she took last week. Olympic gold medalist lindsey von. Today, there is news. She tweeted out this picture from her hospital bed, recovers after surgery on her right knee, which was shredded, saying on facebook today, "success. Surgery went very well. It's going to be a long and hard road back, but I will be back." And we're betting on the comeback kid. And for everyone who fell in love with the fleet-footed baby penguin doing the dance of joy -- ♪ take a look at this. Those are real penguins, real happy feet. Taken by a spy camera video of the regal 'em porer penguins in antarctica. Their rich watches were caught on tape by these, those are robotic penguins. That one but a powerful working flipper and a camera inside. The robots were sent in to infiltrate the ranks of the real penguins without scaring them. And now, this just in from our abc news family to you. We are proud to announce that the network we're launching with our colleagues at univision has a name. It will be called fusion. A meeting place for english-speaking latinos bringing together different cultures, voices and viewpoints. Fusion launches later this year. We hope you'll stay tuned.

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

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