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Rio Olympics athletes face risks in contaminated water

When the U.S. Rowing Team takes to the water at the Rio Olympics next month, their uniforms will be different from what they planned. They'll wear anti-microbial suits to protect themselves from pollution. The lagoon where they'll row is just one of the many waterways Brazil promised to clean up before the games, but it's a promise the country has failed to keep. Ben Tracy reports from Rio.
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