..U.S. skiing sensation Lindsay Vonn has been looking forward to picking up some gold at the Vancouver Olympics... but now there's a possibility she won't be able to compete.....Vonn revealed today she was injured in a slalom training run Feb. 3rd during pre-Olympics practice in Austria, and she fears a bruised right shin will keep her out of the competition.Vonn is the two time reigning overall world cup champion and considered a multiple-medal threat n the upcoming winter games, which open Friday.She is entered in five events; the first is the super-combined on Sunday. The first official training run for women is tomorrow.Lindsay said the question now is whether she'll even be able to ski at all. We'll find out this weekend.