Mealey's (November 27, 2018, 11:41 AM EST) -- RICHMOND, Va. — A grandmother who filed a product liability suit against a bikemaker after her granddaughter was hurt in a bicycle crash lost her chance to challenge the causation testimony of an expert witness when she failed to make Daubert objections at trial, the Fourth Circuit U.S. Court of Appeals held Nov. 21 (Virginia Callahan, et al. v. Pacific Cycle, Inc., No. 17-1739, 4th Cir., 2018 U.S. App. LEXIS 32953)....