Rio’s waters could make Olympic athletes sick

Aired: 7/30/2015 | 0:04:22 | Clip
In the coming weeks, trials and test runs begin for the 2016 Olympics in Rio de Janeiro. An investigation by the Associated Press has revealed that athletes will be swimming and boating in waters dangerously contaminated by sewage, viruses and fecal matter. William Brangham learns more from the AP’s Bradley Brooks.

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