Originally Posted by
CrackQuack 
I think it's a great idea if the speakers have a lot of great stuff to share, and they would be more than adequate. It doesn't matter WHAT they were addicted to. It matters only that they are carrying the message! 
But doesn't it matter what program they work? Wouldn't working the Steps of either program be different? Speakers share about the program that got them clean/sober. Wouldn't this be confusing in another fellowship. As Missy said - AA is great - NA great...but separately to avoid any contradictions and using the tools of each program for that program is what I would have thought.