Instead of a "campaign", how about some technical countermeasures? They're the only thing that actually has a chance of working. You simply can't rely on the political process as it exists when the response of the security establishment is to a) wait for an arbitrary crisis to dust off a naked power-grab, b) secretly "reinterpret" the law beyond recognition, and c) flatly ignore the law as they did with their "Terror…
What technical countermeasures do you suggest? Check out what this guy has to say about resistance: http://youtu.be/3ftfEXxFC4Q?t=28m53s
If you're going to devolve into a DDR-style police state, there's very little technically that can prevent that from happening. What can happen is that you force an enormous investment of resources to maintain it, instead of giving the ability to a tiny cabal. If you're forcing the recruitment of a demographically significantly portion of the population (somewhere 2.5% to 7% in the case of the Stasi) in order to maintain the security apparatus, there's much more room for debate over whether to build it or dismantle it than if it just requires a few billion dollars and a fistful of NSLs.