International Olympic Committee President Thomas Bach called for an overhaul of the global anti-doping system while he defended not invoking the "nuclear option" and banning all Russians from the Rio Olympics this week.
Radio Free Europe/Radio Liberty: Olympic chief defends not using ‘nuclear option’ against Russia
Russia's Alexey Alipov throws empty cartridges away as he trains for the trap shooting event at the Olympic Shooting Centre in Rio de Janeiro on Aug. 2, ahead of the Rio 2016 Olympic Games.
