LOS ANGELES - President Bush cannot exempt the Navy from environmental laws banning sonar training that opponents argue harms whales, a federal judge ruled Monday. Navy officials did not immediately respond to the ruling by U.S. District Judge Florence-Marie Cooper. Mark Matsunaga, spokesman for the Navy's Pacific Fleet, headquartered in Hawaii, said officials needed time to review it before commenting. The president signed a waiver Jan. 15 exempting the Navy and its anti-submarine warfare exercises from a preliminary injunction creating a 12 nautical-mile no-sonar zone off Southern California. The Navy's attorneys argued in court last week that he was within...