No, it's not some hypothetical offered by critics of lawsuits against gun manufacturers; it's a real case. From Ashley County v. Pfizer, Inc., decided today by the U.S. Court of Appeals for the Eight Circuit (some paragraph breaks added): The Defendants are manufacturers and distributors of over-the-counter cold and allergy medications containing either ephedrine or pseudoephedrine. None of the Defendants are retailers, nor do they sell the medications directly to the public. The Counties allege that the Defendants marketed and sold their products in Arkansas knowing that the products were being used illegally to manufacture methamphetamine. [Footnote: In their briefs...