I think that, at least in part, the IOC was determined to show that the hosting selection wasn't about celebrity or profit. Whether or not that's true, I think that was a factor going against Chicago.
I'm glad that South America gets a chance to host the olympics. About time. It's supposed to be a global thing, yes? Not just a "rich countries" thing.
I'm a little resentful of the millions of dollars that went into the Chicago bid, that's all money down the drain that could have been spent on other things.
mystic_1