Mealey's (March 16, 2021, 3:52 PM EDT) -- ST. GEORGE, Utah — The causation opinions offered by a tire expert in a fatal motorcycle accident suit are “not the fruit of a rigorous, objectively verifiable approach,” a federal judge in Utah ruled March 10, finding the conclusions to be “unsupported speculation” and unreliable under Daubert v. Merrell Dow Pharmaceuticals Inc. and granting motions to exclude....