The youtube video is here http://youtube.com/watch?v=sVeFVtcdSYY

The pic you mentioned earlier of the two guys hugging is Obama and Edwards

Regarding Bushes cocaine use tapes were recorded where he admits it: http://www.cnn.com/2005/ALLPOLITICS/02/21/bush.tapes/ then the guy fades away and Bush now neither confirms or denies cocaine use.