(September 9, 2016, 12:18 PM EDT) -- MEMPHIS, Tenn. — An engineer and accident reconstructionist failed to present evidence to support his opinion that a driver would have avoided a collision or had “only a minor collision” if he had been driving at a slower speed, a Tennessee federal judge ruled Sept. 7, excluding in part the expert’s testimony (Christopher Stephen Johnson and Melissa Johnson v. Trans-Carriers Inc. and Gordon A. Newsome, No. 15-2533, W.D. Tenn.; 2016 U.S. Dist. LEXIS 120374)....