If it was just a PR stunt, PRISM wouldn't have needed to be secret. (OTOH, you could say that all this is a PR stunt and Snowden is being paid to be part of it

If it was just a PR stunt, PRISM wouldn't have needed to be secret. (OTOH, you could say that all this is a PR stunt and Snowden is being paid to be part of it, but now that would be a conspiracy theory I'm certainly not willing to support)