(February 15, 2019, 9:57 AM EST) -- KNOXVILLE, Tenn. — A trial court properly excluded lay testimony regarding asbestos lacking any educational or practical underpinning, a Tennessee appeals court held Feb. 12 (Gloria Andrews, et al. v. Norfolk Southern Railway Co., No. E2018-00508-COA-R3-CV, Tenn. App., 2019 Tenn. App. LEXIS 79)....