Lindsey Vonn Just Claimed Her 61st World Cup Win. What Gives Her That Competitive Edge?

Once again, Lindsey Vonn has had a fabulous start to the Alpine ski racing season. With three podium finishes so far, including two gold medals, she is definitely one of the most influential athletes (a title given to her by Associated Press and Time Magazine). Dr. Haley Perlus talks about what gives Vonn that competitive edge.