Over the last several years, a number of prominent plaintiffs’ attorneys have targeted the welding industry with lawsuits that allege that exposure to the manganese in welding fumes causes neurological disorders. These attorneys have blanketed airwaves and billboards with advertisements, held mass screenings, briefed analysts about the threat that this litigation poses to large welding manufacturers, and fi led thousands of lawsuits in federal and state courts, in the hopes of bringing the industry to its knees and forcing a large settlement....