लिंडसे वॉन दुखापत असूनही हिवाळी ऑलिम्पिकमध्ये भाग घेणार: “मला मजबूत वाटते”

American skier Lindsey Vonn says she will compete at the Winter Olympics in Italy despite sustaining a knee injury during a race less than a week ago. Kelly O’Grady reports.