I don't know if this has been posted or not but I thought some people might like to watch it. Around the 6:27 mark Ralf makes a guarantee that he will win the US Open again. I wish I had confidence in my game like Ralf does in his.
http://www.youtube.com/watch?v=mPkUrTA39oI
http://www.youtube.com/watch?v=mPkUrTA39oI