He grew up with an alcoholic dad, then became an orphan by the age of 16. Now, for the first time, Goo Goo Doll John Rzeznik shares his painful story.By John Rzeznik, as told to Jennifer GrahamFirst off, I would like to apologize for the oversaturation of "Iris" last year. Although it wasn't the Goo Goo Dolls' first hit - "Name" was, in 1995 - it did bring us a giant slice of fame that we never imagined possible.Recently, my band mates, Robby Takac and Mike Malinin, and I performed at the American Music Awards and found out that we're up for three Grammys. That's insane to me. When I think bac