335 F.3d 643 R.J. CORMAN DERAILMENT SERVICES, LLC, Plaintiff-Appellant,v.INTERNATIONAL UNION OF OPERATING ENGINEERS, LOCAL UNION 150, AFL-CIO, Defendant-Appellee. No. 02-1743. United States Court of Appeals, Seventh Circuit. Argued October 18, 2002. Decided July 10, 2003. COPYRIGHT MATERIAL OMITTED James D. Helenhouse (argued), Fletcher & Sippell, Chicago, IL, for Plaintiff-Appellant. Louis E. Sigman (argued), Baum, Sigman, […]