Metromedia, Inc. v. April Enterprises, Inc.

holding that corporate defendant, as an "unwilling conduit," could not be held vicariously liable for acts of individual defendants | holding that corporate defendant, as an “unwilling conduit,” could not be held vicariously liable for acts of individual defendants | Liquid Air inapplicable where each predicate act did not cause separate harm to plaintiff | Liquid Air not applicable where each predicate act did not cause separate harm | initiative petition process is "core political speech" protected by the First Amendment