Russia

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Jessie Vetter goalkeeper of the U.S. women's ice hockey team stretches during a practice session ahead of the 2014 Winter Olympics, Friday, Feb. 7, 2014, in Sochi, Russia. (AP Photo/Petr David Josek)

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German speedskater Claudia Pechstein trains at the Adler Arena Skating Center during the 2014 Winter Olympics in Sochi, Russia, Wednesday, Feb. 5, 2014. (AP Photo/Pavel Golovkin)

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Claudia Pechstein of Germany trains at the Adler Arena Skating Center during the 2014 Winter Olympics in Sochi, Russia, Thursday, Feb. 6, 2014. (AP Photo/Matt Dunham)

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Speedskater Claudia Pechstein of Germany trains at the Adler Arena Skating Center during the 2014 Winter Olympics in Sochi, Russia, Thursday, Feb. 6, 2014. (AP Photo/Peter Dejong)

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Norway's Marit Bjoergen trains on the cross country slope prior to the 2014 Winter Olympics, Wednesday, Feb. 5, 2014, in Krasnaya Polyana, Russia. (AP Photo/Matthias Schrader)