(August 1, 2017, 2:15 PM EDT) -- RICHMOND, Va. — Plaintiffs alleging that the statin drug Lipitor caused diabetes on July 28 told the Fourth Circuit U.S. Court of Appeals that a multidistrict litigation judge erred when he excluded causation opinions of two experts and granted summary judgment against more than 3,000 plaintiffs (In Re: Lipitor [Atorvastatin] Products Liability Litigation, Nos. 17-1140[L], 17-1136, 17-1137, 17-1189, 4th Cir.)....