The US is bidding to host its second World Cup in 2018 or 2022. Mexico, having already hosted two World* Cups, is looking to fry even bigger fish.
*Check out the emotion on the call of Maradona's famous goal in '86 against the English. With apologies to Gus Johnson, that's got to be the most enthusiastic sports broadcasting moment ever. It's not often that you have an announcer pleading with God, saying he wants to cry, asking the viewers for forgiveness, saying "Long live soccer!", thanking God, actually crying, and asking what planet the moment's protagonist is from, all in the span of about 30 seconds. You say over the top, I say passionate.