Robert J. Matz, Individually and on Behalf of All Others Similarly Situated v. Household International Tax Reduction Investment Plan, Cross-Appellee

POSNER, Circuit Judge.

The district judge, in this suit by participants in an ERISA pension plan, has asked us, and we have agreed, to entertain an interlocutory appeal from a ruling in which she answered in favor of the plaintiffs a potentially controlling question of law that had arisen in the course of the litigation. 28 U.S.C. § 1292(b). (The plaintiffs have cross-appealed, but since they are defending rather than attacking the judge’s ruling, the cross-appeal is improper, Rose Acre Farms, Inc. v. Madigan, 956 F.2d 670, 672 (7th Cir.1992), and is hereby dismissed.) The question is the…