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From the podium to disgrace. Cyclist Frank Schleck, who finished third at last year’s Tour de France, tested positive for a banned substance and will not continue in this year’s race. The 32-year-old RadioShack Nissan team cyclist failed a drug test conducted on July 14 when the diuretic Xipamide, which can be a masking agent for performance-enhancing drugs, was discovered in his system. Schleck, whose older brother Andy won the 2010 tour, was 12th in the overall standings, nine minutes and 45 seconds behind leader Bradley Wiggings.