Originally posted by Juntai
Dan Didio even reitterated at this years SDCC that Vertigo is not part the DCU. He said it last year too and multiple other times since Didio seperated them... Vertigo outside of the connection between Lucifer and Sandman, is also not a constant reality at all. They are just a collection of adult oriented stories.Here's one example of many.
http://www.newsarama.com/Comic-Con_07/DC/DCNationPanel.html"The always popular topic of the DC Universe-Vertigo division (where characters like John Constantine can no longer intermingle) was brought up."