Russian skater Kamila Valieva’s drug regimen ‘raises questions’ following hearing

Kamila Valieva — the teenage Russian figure skater at the center of a doping controversy roiling the Beijing Olympics — had three substances that can be used to aid the heart in her testing sample, according to a report in the New York Times, which cited an exhibit filed in a Sunday hearing by the Court of Arbitration for Sport (CAS).Kamila Valieva — the teenage Russian figure skater at the center of a doping controversy roiling the Beijing Olympics — had three substances that can be used to aid the heart in her testing sample, according to a report in the New York Times, which cited an exhibit filed in a Sunday hearing by the Court of Arbitration for Sport (CAS).