Decathlon gold medalist Bruce Jenner throws the javelin during an Olympic competition in Montreal on July 30, 1976. AP hide caption

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A man watches sports broadcast on screens at a sports book owned and operated by CG Technology in Las Vegas. CG Technology is asking the Nevada Gaming Control Board to allow betting on the Olympics. John Locher/AP hide caption

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Boston is in the running to host the 2024 Olympics. walknboston/Flickr hide caption

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Italian military police officers stand in front of anti-Olympics demonstrators in February 2006 in Turin, Italy, on the eve of the opening ceremony of the 2006 Winter Games. Paco Serinelli/AFP/Getty Images hide caption

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American sibling skaters Ronald and Vivian Joseph perform the "death spiral" on Oct. 26, 1963, at the World Championships. The International Olympic Committee announced this week that the Josephs, who originally placed fourth in the 1964 Winter Games in Innsbruck, Austria, were in fact the bronze medalists. Bill Peters/Denver Post via Getty Images hide caption

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Shaun White of Team USA during a training session Saturday in Sochi. Jae C. Hong/AP hide caption

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