The Washington State Supreme Court smacked down several governmental entities that sought to silence supporters of an initiative that would've repealed a hike in the state gas tax. The municipalities targeted several radio talk show hosts who used their air time to support the initiative and required them to file campaign finance documents classifying the air time as "in-kind" contributions.

There's a good series of posts up over at the Volokh Conspiracy on the subject, including the disturbing possibility that the state courts' rationale may mean that bloggers may not have the First Amendment protection of media businesses.