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Petr David Josek, ASSOCIATED PRESS
American and Canadian hockey fans cheer as Canada and the USA warm up before playing in a men's semifinal ice hockey game at the 2014 Winter Olympics, Friday, Feb. 21, 2014, in Sochi, Russia. (AP Photo/Petr David Josek)

The best AP photos from Feb. 21 at the 2014 Winter Olympics in Sochi, Russia.