Check out this post on BoingBoing about the proposed H.R.801 by Rep. Conyers, which would allow publishers to charge for access to taxpayer-supported research:
http://www.boingboing.net/2009/03/03/proposal-to-allow-pu.html
The comments appear to include librarians, scientists, and a publisher.

I have added a widget from Open Congress on the right side of this blog so you can track the status of the bill.