I'm liking the new copyright policy found at whitehouse.gov: Copyright:
Pursuant to federal law, government-produced materials appearing on this site are not copyright protected. The United States Government may receive and hold copyrights transferred to it by assignment, bequest, or otherwise.
Except where otherwise noted, third-party content on this site is licensed under a Creative Commons Attribution 3.0 License. Visitors to this website agree to grant a non-exclusive, irrevocable, royalty-free license to the rest of the world for their submissions to Whitehouse.gov under the Creative Commons Attribution 3.0 License.
Basically, everything put up by Federal workers is released to the public domain. Do whatever you want with it... Which has been the law of the land since forever. Anything contributed by non-Federal government workers is Creative Commons 3.0 Attribution. Which is basically, do whatever you want with it but give credit to the authors.
This is the model for all publically funded entities going forward. (I'd hate to be a publicly funded organization on the wrong side of this issue.) We've turned an important corner, and from my vantage it feels kind of nice.