SPN SPOILERS from the Roma Con!
http://www.spoilertv.com/2011/04/supernatural-who-really-pulled-sam-out.html
You what what I think this means?
GABRIEL is alive. And tried to bring back Sam. But didn't have enough mojo for the soul and is now laying around depowered.
lol.
But that's just because I miss my favorite archangel!!!!!!!!!!!!!!