(December 7, 2016, 1:54 PM EST) -- FORT WAYNE, Ind. — A licensed professional engineer may testify regarding a man’s fall from a ladder and the sufficiency of the warnings and instructions but may not testify regarding a color banding alternative design because he failed to sufficiently substantiate his opinion for this alternative design beyond his conclusion, an Indiana federal judge ruled Dec. 5 (Joseph Costanza v. Vulcan Ladder Co., No. 13-260, N.D. Ind.; 2016 U.S. Dist. LEXIS 167470)....