Some athletes (and even "Today" host
Savannah Guthrie) have already announced that they won't attend the Rio Olympics over concerns about the Zika virus carried by mosquitos. Crime is also an issue — with Kitty Chiller of the Australian Olympic teams speaking out after several competitors had been robbed in the city. "Athletes have been mugged while training and competing in Rio test events," she said, "and we want our athletes protected!"