Russia's Sochi will host the 2014 Winter Olympics whileBrazil's Rio de Janeiro will stage the 2016 Summer Games. Thehost of the 2018 Winter Olympics will be elected in July whilethe 2020 Games host will be chosen in 2013. (Writing by Karolos Grohmann; Editing by John O'Brien and AlanBaldwin; To comment on this story
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