SAN DIEGO – A San Diego federal judge ordered the release Thursday of an animal-rights activist who refused to testify before a grand jury in the case of an arson fire believed to have committed by environmental extremists. The move came after prosecutors lifted a grant of immunity from prosecution for Danae Kelley, 21, of San Diego, who was expected to be released Thursday afternoon. Kelley and two other activists were jailed after refusing to testify before a grand jury investigating the $50 million arson fire that destroyed a housing complex under construction in University City in August 2003. A...