533 A.2d 1083 Committee of Seventy, et al. v. City Commissioners of the City of Philadelphia, et al. Democratic City Committee, Appellant. Commonwealth Court of Pennsylvania.Argued October 7, 1987. November 20, 1987. Elections — Redistricting — Pennsylvania Election Code, Act of June 3, 1937, P.L. 1333 — Jurisdiction — Waiver — Collateral estoppel — Validity […]