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The hard numbers of Olympic Beach Volleyball

The beach volleyball competion at the Olympics begins tomorrow with silver medalist Jennifer Kessy taking on a new role at the games -- not as an athlete but as head coach. She'll be leading her former partner and silver medalist April Ross and Alix Klineman, using math and statistical tools to help guide game strategy and make decisions that will give her team the best shot to win gold. "Changing the Games" is a 10-part video series produced in collaboration with Lyda Hill Philanthropies.

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