Russian figure skater Kamila Valieva can compete in the Olympic women’s event from Tuesday after the Court of Arbitration for Sport (CAS) upheld the lifting of a provisional suspension in connection with a positive doping test. The urgent CAS decision permits the 15-year-old to enter the singles event at the Beijing Games, which starts Tuesday, after appeals from the International Olympic Committee (IOC), the World Anti-Doping Agency (WADA) and the governing skating body (ISU) were dismissed. “The CAS panel in charge of this matter has decided to let Miss Valieva continue her participation in …