Open-source or not, I think the answer is yes. I've been working on PlainSite along these lines. http://www.plainsite.org http://www.plainsite.org http://www.

Open-source or not, I think the answer is yes. I've been working on PlainSite along these lines. http://www.plainsite.org http://www.plainsite.org http://www.change.org http://www.change.org is a great site that's had some real successes, albeit outside of the political arena. http://www.govtrack.us http://www.govtrack.us is also quite comprehensive.