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GlobalPost takes you from London to far-flung training grounds, where some of the most inspiring contenders began their journey. We've got underdogs, heavyweights — and a pub's eye view of the events. Check here for the latest Olympics news, analysis and results.

Here's 8 of the most controversial Summer Olympics moments

The Summer Olympics aren't always just fun and games.

Here's 8 of the most controversial Summer Olympics moments

The London 2012 Summer Olympics have only been going on for four days. In those mere days the athletes have shed blood sweat and tears all in the name of Olympic Glory. But some stories don't end in Gold. GlobalPost is taking a look at some of the biggest controversies in the history of the Olympics.