With Lance Armstrong chattering in his ear, Alberto Contador churned out the miles, his lead dwindling along with the chance to wear the winner's yellow jersey at a Tour de France that will be remembered for its scandals.

By JAMEY KEATEN ANGOULEME, France - Alberto Contador of Spain all but locked up a Tour de France victory Saturday by holding off his top rival in the final time trial, though he became the latest rider to feel the sting of the doping allegations that have marred the race.

Sandy Casar crashed after hitting a spectator's dog but won the 18th stage of the Tour de France before home fans Friday. Alberto Contador of Spain kept the overall lead as the doping-stained race neared its weekend finish in Paris.

By Jerome Pugmire GOURETTE, France -- One of its biggest stars is already gone, and now so is the leader of the Tour de France.

By SIMON O'HAGAN Why are we asking this now? Because the so-called world's greatest bike race is reeling from the most damaging drugs scandal in its 104-year history.