The London Summer Olympics are winding down, and by most accounts, the games have been a success. There were plenty of "thrill of victory, agony of defeat" moments; big, enthusiastic crowds — although there were too many blocks of empty seats; and for those who like a helping of scandal served up at their Olympics, there was that, too.
It wasn't the usual scourge of doping. Instead, the London Olympics had incidents of bending the rules and ethics of sport.