Peterrrrr
New Yorker
Just listen to Bonos voice when he talks in the interview in the beginning of the documentary. You can realy hear at this point of time that smoking is starting change his voice to a more hoarse sound.
http://www.youtube.com/watch?v=-ojGy7AjKeE&search=zootv
http://www.youtube.com/watch?v=-ojGy7AjKeE&search=zootv