This week, as we prepare for Friday's announcement of the host city for the 2016 Summer Olympics, we'll feature a quick look at each city's proposed venues and bid. Today, we finish with Chicago's biggest opponent, Rio. Previously: Chicago, Tokyo, and Madrid. more ›

This week, as we prepare for Friday's announcement of the host city for the 2016 Summer Olympics, we'll feature a quick look at each city's proposed venues and bid. Today, we check out Madrid. Previously: Chicago and Tokyo. more ›

This week, as we prepare for Friday's announcement of the host city for the 2016 Summer Olympics, we'll feature a quick look at each city's proposed venues and bid. Today, we check out Tokyo. Previously: Chicago. more ›

This week, as we prepare for Friday's announcement of the host city for the 2016 Summer Olympics, we'll feature a quick look at each city's proposed venues and bid. Today, we start with our own city, Chicago. more ›