With 100 days to go, nobody seems to be laughing as athletes bow out of The Olympics in Rio de Janeiro.
The question some are asking is with NBA MVP out of the running for the Olympics, the attention now shifts to other athletes and superstars iike, LeBron James.
Meanwhile Olympics-Brazil sports minister understands, but plays down Zika fears for Rio. Will the city succeed as host of the Summer Games ?
Officials must address the social tensions, environmental problems and water crises that threatens the biggest sporting event in the world. Here are the main challenges Rio must tackle before the Opening Ceremony.
Rio 2016 Olympics: 100 days to go @cnnsport http://cnn.it/26tJ6fq
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