Today’s case of interest involves applying the doctrine of res ipsa loquitur in a railway worker injury case as a shortcut to proving negligence.In Ruark v. Union Pacific Railroad Co., 2019 WL 17-2429 (7th Cir. 2019), Danny Ruark, a machine operator on track maintenance was using a hydraulic drill to drill holes in rails. He would clamp the drill to the rail, drill a hole, retract the drill bit and unclamp the rig from …