Whether the Illinois Supreme Court erred as a matter of law by expanding the scope of the public policy exception to enforcement of labor arbitration awards

QUESTION PRESENTED Whether the Illinois Supreme Court erred as a matter of law by expanding the scope of the public policy exception to enforcement of labor arbitration awards in a way that impermissibly erodes the Federal public policy favoring enforcement of arbitration agreements and arbitration awards, as established by W.R. Grace & Co. v. Local Union No. 759, 461 U.S. 757, 103 8.Ct. 2177, 2183, 76 L.Ed.2d 298, 307 (1983); United Paperworkers International Union v. Misco, Inc., 484 U.S. 29, 108 S.Ct. 364, 98 L.Ed.2d 286 (1987); and Eastern Associated Coal Corp. v. United Mine Workers of America, Dist. 17, 531 U.S. 57, 63, 121 S.Ct. 462, 148 L. Ed. 354 (2000)?