While training in Hawaii, 2009 F1 World Champion and Ironman enthusiast, Jenson Button thought he saw Tour de France champion Lance Armstrong. Sure enough, after a few tweets back and forth, the two Champions linked up for a training ride.  Quoted via his twitter account the American Lance Armstrong said, "Out on Old Mamalahoa Road with @the_real_jb. The dude is strong!!" and posted this pic lancearmstrong.posterous.com/out-on-old-...