Dan Rather: A journalist's last broadcast as anchor of CBS Evening News

Are the days of domination of the news by the Big Three networks (CBS, ABC, & NBC) over? In the past several months, we have seen the resignation of two network anchors. Does this leave more room for other networks such as Fox or CNN or even bloggers? Are bloggers journalists? Click the audio above and see. I consider myself in a gray area between journalist and magazine features writer.