JOSH WOLF, the blogger who has spent some six months in prison for refusing to hand over a video he took of a violent July 8, 2005, protest in the Mission District of San Francisco to a federal grand jury, is not a journalist. He is a blogger with an agenda and a camera, who sold a "selected portion" of the video of the demonstration, which left a San Francisco police officer with a fractured skull, to KRON-TV. The day after the melee, Wolf called himself on his videoblog an "artist, an activist, an anarchist and an archivist." He does...