From the report Dempsey was the difference between the teams - playing up front -- http://www.socceramerica.com/article/44137/howards-saves-dempsey-goal-yield-us-win.html
If you goto http://eurorivals.net/usa:honduras-highlights-goals-video_20111009.html You can see about 5 minutes of the game and see what a good game he had. Why his headed goal was disallowed in the second half, I don't know. He just smiles, probably in disbelief.