So who should you call a journalist?

CNET News.com: "A renewed effort in the U.S. Congress to create a federal shield law for news organizations is raising a sticky question: Who is a journalist?
A generation ago, the answer usually was clear. Not anymore. Online scribes and video publishers are experimenting with novel forms of journalism, and even the most stodgy news organizations are embracing blogs.
That leaves politicians--hardly the most clued in about all things tech--in something of a quandary. They're being lobbied by professional news organizations and the American Bar Association to approve some kind of journalist's shield law while being urged by prosecutors to leave out bloggers. "