It appears that there is some effort being made to ban all congressional IP addresses from updating any entries on Wikipedia. Now there’s a business model that could profitably be extended.
It is, of course, a potential problem with wikis: free and open access means free and open access, even to the bad kids. I’m not really surprised the bad kids are working on the Hill.
For all you’ve ever wanted to know and more about wiki-related issues, see the wiki category archive over at Concurring Opinions.