<p><a href="http://us.rd.yahoo.com/dailynews/rss/sports/*http%3A//news.yahoo.com/s/ap/20110317/ap_on_sp_ol/oly_london_doping"><img src="http://d.yimg.com/a/p/ap/20110315/capt.d84cf9c4f9a444d6b4b28945c741f465-d84cf9c4f9a444d6b4b28945c741f465-0.jpg?x=130&amp;y=87&amp;q=85&amp;sig=oKq9MOFiHNiy3bJlfZVpfg--" height="87" width="130" alt="Sports Minister: Doping could undermine 2012 Games   (AP)" style="float: left; border: 0px;" />
</a>AP - Britain's sports minister warns that doping poses the biggest threat to the integrity of the London Olympics.</p><br style="clear: both;" />