U.S. cyclist Floyd Landis arrives to testify at an arbitration hearing in Malibu, California, May 19, 2007. The arbitrators are considering a case brought against Landis by the U.S. Anti-Doping Agency accusing the cyclist used illicit performance-enhancing drugs. He faces a possible two-year suspension and loss of his Tour de France title. REUTERS/Lucy Nicholson (UNITED STATES)