Leonid Bershidsky: All Russians are tainted by Putin’s regime
The International Olympic Committee's decision to let Russian athletes compete in the Rio Olympics if they can prove that they haven't used performance-enhancing drugs won't be popular with other countries. Nonetheless, it was the right call. But it also carries some unpleasant undertones: It formally requires Russians to prove that they are not tainted by the rotten regime that runs their country.