Specially concurring in the Illinois Appellate Court’s conclusion that public policy does not prohibit lease provisions that waive the obligation to mitigate damages that Section 9-213.1 of the Illinois Code of Civil Procedure imposes on landlords, Justice Michael B. Hyman provided a noteworthy critique of the practice of using legislative debate as an interpretative tool for ambiguous statutes.Enacted in 1983, Section 9–213.1 says: “After January 1, 1984, a landlord or his or her agent shall take …