Lance Armstrong at the 2000 Sydney Olympic Games, celebrating his bronze medal performance. Pedro Ugarte /AFP/Getty Images hide caption

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The Opening Ceremony of the London 2012 Olympic Games included a paean to the National Health Service, the U.K.'s socialized healthcare system. Gallo/Getty Images hide caption

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Oscar Pistorius of South Africa runs in the men's 200-meter event at the Paralympic World Cup in May. Some observers have suggested Pistorius receives an unfair advantage from his carbon-fiber "blade" legs. Michael Steele/Getty Images hide caption

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Will these Green Bay fans be cheering as much as they did during the 2011 Super Bowl when their beloved Packer games are interrupted by local political ads this fall? Matt Ludtke/Getty Images hide caption

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Chinese volleyball player Yunwen Ma during a game between China and Germany, at the Montreux Volley Masters women tournament, in Montreux, Switzerland, in 2011. JEAN-CHRISTOPHE BOTT/EPA /Landov hide caption

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In this handout photo provided by the USATF, Jeneba Tarmoh (bottom, lane 1) and Allyson Felix cross the finish line at exactly the same time in the women's 100 meter dash final during Day Two of the 2012 U.S. Olympic Track & Field Team Trials at Hayward Field on June 23 in Eugene, Ore. It's their torsos, not head, hands, feet or arms, that matter. USATF/Getty Images hide caption

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