......the lawyers signed up tens of thousands of "victims" for class-action lawsuits — picking up along the way some plaintiffs who had also filed claims as victims of asbestos. U.S. Silica, the country's largest sand maker, was flooded by more than 20,000 lawsuits in a short period that began in November 2002...But some judges, notaly Clinton appointee Janis Jack of the Federal District Court in Corpus Christi, Texas, aren't letting the trial lawyers run freely with silicosis as they did with asbestosis. Lawsuits on behalf of people diagnosed with asbestosis (which isn't always the same thing as actually having it)...