German speed skater Claudia Pechstein (R) arrives for a hearing at the international Court of Arbitration for Sport, CAS, in Lausanne, Switzerland, 22 October 2009. Pechstein, five-time Olympic speed skating champion, appeared at the Court of Arbitration for Sport (CAS) to appeal against a two-year ban imposed for violating anti-doping rules. Pechstein was suspended 01 July for for alleged an 'blood doping