Here's a link to the Register editorial on the release of Josh Wolf, a "citizen-activist-journalist" who had taken video of a demonstration in San Francisco against globalization during which a police car was trashed and a policeman bashed on the head hard enough to sustain a skull fracture. A grand jury wanted his unedited tape and he refused. In the end they made a deal they could have made at the outset. The tape had nothing incriminating.
The most important point here is that the First Amendment was not created to protect a privileged class of certified "journalists," but to protect all AMericans who want to express their opinions. That should have meant radio and TV -- simply "the press" with new technology -- and applies to various unruly pamphleteers, bloggers, etc.