<p>A federal judge knocked down Tuesday a Navy plan to deploy submarine-hunting sonar in most of the world's oceans, saying the devices endanger entire populations of whales, porpoises and fish.</p>
<p>Magistrate Judge Elizabeth Laporte of the U.S. District Court in San Francisco said a permanent injunction should be issued that will bar the Navy from using sonar in areas including 14 million square miles, or about 40 percent, of the Pacific Ocean.</p>