CBS Evening News | Precision is key in many Olympic sports, and the American bobsled team has enlisted the help of engineers from BMW to redesign their bobsled and bobsledding uniforms so that they weigh less and move faster

Precision is key in many Olympic sports, and the American bobsled team has enlisted the help of engineers from BMW to redesign their bobsled and bobsledding uniforms so that they weigh less and move faster. Vinita Nair reports. Air Date: Feb 8, 2014