( April 21, 2026, 9:21 AM EDT) -- ORLANDO, Fla. — A Florida federal judge ruled that an expert retained to opine on what caused a man to fall outside of a convenience store cannot testify because his conclusions that the lack of nonskid additive in the paint on the curb of the sidewalk created a dangerous situation are unreliable under Federal Rule of Evidence 702 and Daubert v. Merrell Dow Pharmaceuticals Inc....