MELBOURNE (Reuters) – The Australian Olympic Committee(AOC) has called on cyclist Stuart O’Grady to step down from its Athletes’ Commission after he admitted using performance-enhancing drugs at the 1998 Tour de France.  O’Grady, who announced his retirement this week, told a newspaper on Wednesday that he had used the banned blood-booster erythropoietin (EPO) before the notorious 1998 […]