While I'm all for this happening and it seems very likely that it could, I would like to remind all y'all that this is still just rumor and speculation.
GnR are still on tour (at least through the summer) and there has been no concrete evidence about Angus or the future of his band. For all we know, Angus is sitting in a pub somewhere, smoking cigarettes and laughing at all the rumors.
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I used to be with it, but then they changed what "it" was. Now what I'm with isn't it, and what's it seems weird and scary to me, and it'll happen to you, too.