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                <p>TWICKENHAM, England – Britain's sports minister warns that doping poses the biggest threat to the integrity of the London Olympics.</p>
                <p>Hugh Robertson says spectators must be able to trust that what they are seeing next year is a "fair contest." If they don't, he adds, the "integrity of the games will be lost."</p>
                <p>Officials expect to conduct 5,000 doping tests at the London Games, compared with 4,500 at the 2008 Beijing Olympics.</p>
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            </p></div></div><p><strong>Read more:</strong> <a class="rssreadon" rel="external" title="Sports Minister: Doping could undermine 2012 Games   (AP)" href="http://us.rd.yahoo.com/dailynews/rss/sports/*http%3A//news.yahoo.com/s/ap/20110317/ap_on_sp_ol/oly_london_doping" target="_blank">http://us.rd.yahoo.com/dailynews/rss/sports/*http%3A//news.yahoo.com/s/ap/20110317/ap_on_sp_ol/oly_london_doping</a></p>