rio is the favourite and they do have the most beautiful women out of the four- so i hope rio gets it
IIRC the closest the Olympics have come to South America was Mexico City in the 60s. Seems like its their time. Especially since the US had Atlanta in 96 and SLC in 2002.
USA Today: Who'll host 2016 Olympics? It's hard to predict SI: The pros and cons of each bid for the 2016 Olympics This friday we will know for sure.